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authorMarkus Elfring <elfring@users.sourceforge.net>2017-08-28 12:46:57 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-23 15:19:55 +0300
commitc38e8657a471e9af42b86009e5d3085031b41fda (patch)
treeb2bb818ff8b099ee5237da0ab3b9db680b520a0b /drivers
parenta0ec8d1dc42e4255307cb1b95345c01c327a10a6 (diff)
downloadlinux-c38e8657a471e9af42b86009e5d3085031b41fda.tar.xz
media: drivers: delete error messages for failed memory allocation
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. [mchehab@s-opensource.com: fold several similar patches into one] Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/common/cypress_firmware.c4
-rw-r--r--drivers/media/common/siano/smscoreapi.c13
-rw-r--r--drivers/media/dvb-frontends/as102_fe.c5
-rw-r--r--drivers/media/dvb-frontends/cx24113.c5
-rw-r--r--drivers/media/dvb-frontends/cx24116.c1
-rw-r--r--drivers/media/dvb-frontends/drxd_hard.c1
-rw-r--r--drivers/media/dvb-frontends/ds3000.c8
-rw-r--r--drivers/media/dvb-frontends/mb86a20s.c5
-rw-r--r--drivers/media/dvb-frontends/si2168.c1
-rw-r--r--drivers/media/dvb-frontends/sp2.c1
-rw-r--r--drivers/media/i2c/adv7604.c4
-rw-r--r--drivers/media/i2c/adv7842.c4
-rw-r--r--drivers/media/pci/cx18/cx18-driver.c6
-rw-r--r--drivers/media/pci/mantis/hopper_cards.c1
-rw-r--r--drivers/media/pci/mantis/mantis_cards.c4
-rw-r--r--drivers/media/pci/meye/meye.c13
-rw-r--r--drivers/media/pci/saa7146/hexium_gemini.c5
-rw-r--r--drivers/media/pci/saa7146/hexium_orion.c4
-rw-r--r--drivers/media/pci/saa7164/saa7164-buffer.c4
-rw-r--r--drivers/media/platform/atmel/atmel-isc.c4
-rw-r--r--drivers/media/platform/atmel/atmel-isi.c8
-rw-r--r--drivers/media/platform/blackfin/ppi.c1
-rw-r--r--drivers/media/usb/zr364xx/zr364xx.c8
23 files changed, 30 insertions, 80 deletions
diff --git a/drivers/media/common/cypress_firmware.c b/drivers/media/common/cypress_firmware.c
index 50e3f76d4847..bfe47bc5f716 100644
--- a/drivers/media/common/cypress_firmware.c
+++ b/drivers/media/common/cypress_firmware.c
@@ -75,10 +75,8 @@ int cypress_load_firmware(struct usb_device *udev,
int ret, pos = 0;
hx = kmalloc(sizeof(struct hexline), GFP_KERNEL);
- if (!hx) {
- dev_err(&udev->dev, "%s: kmalloc() failed\n", KBUILD_MODNAME);
+ if (!hx)
return -ENOMEM;
- }
/* stop the CPU */
hx->data[0] = 1;
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
index e7a0d7798d5b..889b486fbc72 100644
--- a/drivers/media/common/siano/smscoreapi.c
+++ b/drivers/media/common/siano/smscoreapi.c
@@ -1301,10 +1301,8 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
buffer = kmalloc(sizeof(struct sms_msg_data) +
SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
- if (!buffer) {
- pr_err("Could not allocate buffer for init device message.\n");
+ if (!buffer)
return -ENOMEM;
- }
msg = (struct sms_msg_data *)SMS_ALIGN_ADDRESS(buffer);
SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
@@ -1687,10 +1685,9 @@ static int smscore_validate_client(struct smscore_device_t *coredev,
return -EEXIST;
}
listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL);
- if (!listentry) {
- pr_err("Can't allocate memory for client id.\n");
+ if (!listentry)
return -ENOMEM;
- }
+
listentry->id = id;
listentry->data_type = data_type;
list_add_locked(&listentry->entry, &client->idlist,
@@ -1725,10 +1722,8 @@ int smscore_register_client(struct smscore_device_t *coredev,
}
newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL);
- if (!newclient) {
- pr_err("Failed to allocate memory for client.\n");
+ if (!newclient)
return -ENOMEM;
- }
INIT_LIST_HEAD(&newclient->idlist);
newclient->coredev = coredev;
diff --git a/drivers/media/dvb-frontends/as102_fe.c b/drivers/media/dvb-frontends/as102_fe.c
index 98d575f2744c..1fb4ab21d786 100644
--- a/drivers/media/dvb-frontends/as102_fe.c
+++ b/drivers/media/dvb-frontends/as102_fe.c
@@ -456,10 +456,9 @@ struct dvb_frontend *as102_attach(const char *name,
struct dvb_frontend *fe;
state = kzalloc(sizeof(struct as102_state), GFP_KERNEL);
- if (state == NULL) {
- pr_err("%s: unable to allocate memory for state\n", __func__);
+ if (!state)
return NULL;
- }
+
fe = &state->frontend;
fe->demodulator_priv = state;
state->ops = ops;
diff --git a/drivers/media/dvb-frontends/cx24113.c b/drivers/media/dvb-frontends/cx24113.c
index 0118c2658cf7..8fc7333c76b7 100644
--- a/drivers/media/dvb-frontends/cx24113.c
+++ b/drivers/media/dvb-frontends/cx24113.c
@@ -555,10 +555,9 @@ struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
struct cx24113_state *state =
kzalloc(sizeof(struct cx24113_state), GFP_KERNEL);
int rc;
- if (state == NULL) {
- cx_err("Unable to kzalloc\n");
+
+ if (!state)
goto error;
- }
/* setup the state */
state->config = config;
diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c
index e105532bfba8..96af4ffba0f9 100644
--- a/drivers/media/dvb-frontends/cx24116.c
+++ b/drivers/media/dvb-frontends/cx24116.c
@@ -227,7 +227,6 @@ static int cx24116_writeregN(struct cx24116_state *state, int reg,
buf = kmalloc(len + 1, GFP_KERNEL);
if (buf == NULL) {
- printk("Unable to kmalloc\n");
ret = -ENOMEM;
goto error;
}
diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c
index 7d04400b18dd..47b0d37e70ba 100644
--- a/drivers/media/dvb-frontends/drxd_hard.c
+++ b/drivers/media/dvb-frontends/drxd_hard.c
@@ -911,7 +911,6 @@ static int load_firmware(struct drxd_state *state, const char *fw_name)
state->microcode = kmemdup(fw->data, fw->size, GFP_KERNEL);
if (state->microcode == NULL) {
release_firmware(fw);
- printk(KERN_ERR "drxd: firmware load failure: no memory\n");
return -ENOMEM;
}
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 0b17a45c5640..c2959a9695a7 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -277,10 +277,8 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg,
u8 *buf;
buf = kmalloc(33, GFP_KERNEL);
- if (buf == NULL) {
- printk(KERN_ERR "Unable to kmalloc\n");
+ if (!buf)
return -ENOMEM;
- }
*(buf) = reg;
@@ -842,10 +840,8 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
/* allocate memory for the internal state */
state = kzalloc(sizeof(struct ds3000_state), GFP_KERNEL);
- if (state == NULL) {
- printk(KERN_ERR "Unable to kmalloc\n");
+ if (!state)
goto error2;
- }
state->config = config;
state->i2c = i2c;
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index e8ac8c3e2ec0..340984100aec 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -2072,11 +2072,8 @@ struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
/* allocate memory for the internal state */
state = kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
- if (state == NULL) {
- dev_err(&i2c->dev,
- "%s: unable to allocate memory for state\n", __func__);
+ if (!state)
goto error;
- }
/* setup the state */
state->config = config;
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 172fc367ccaa..41d9c513b7e8 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -696,7 +696,6 @@ static int si2168_probe(struct i2c_client *client,
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
ret = -ENOMEM;
- dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
diff --git a/drivers/media/dvb-frontends/sp2.c b/drivers/media/dvb-frontends/sp2.c
index 43d47dfcc7b8..d3b4f8822096 100644
--- a/drivers/media/dvb-frontends/sp2.c
+++ b/drivers/media/dvb-frontends/sp2.c
@@ -384,7 +384,6 @@ static int sp2_probe(struct i2c_client *client,
s = kzalloc(sizeof(struct sp2), GFP_KERNEL);
if (!s) {
ret = -ENOMEM;
- dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index f289b8aca1da..5217f9ad5e6b 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -3316,10 +3316,8 @@ static int adv76xx_probe(struct i2c_client *client,
client->addr << 1);
state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
- if (!state) {
- v4l_err(client, "Could not allocate adv76xx_state memory!\n");
+ if (!state)
return -ENOMEM;
- }
state->i2c_clients[ADV76XX_PAGE_IO] = client;
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 65f34e7e146f..c582bcb782a6 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -3468,10 +3468,8 @@ static int adv7842_probe(struct i2c_client *client,
}
state = devm_kzalloc(&client->dev, sizeof(struct adv7842_state), GFP_KERNEL);
- if (!state) {
- v4l_err(client, "Could not allocate adv7842_state memory!\n");
+ if (!state)
return -ENOMEM;
- }
/* platform data */
state->pdata = *pdata;
diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c
index 8654710464cc..9e99c6ef1476 100644
--- a/drivers/media/pci/cx18/cx18-driver.c
+++ b/drivers/media/pci/cx18/cx18-driver.c
@@ -910,11 +910,9 @@ static int cx18_probe(struct pci_dev *pci_dev,
}
cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
- if (cx == NULL) {
- printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
- i);
+ if (!cx)
return -ENOMEM;
- }
+
cx->pci_dev = pci_dev;
cx->instance = i;
diff --git a/drivers/media/pci/mantis/hopper_cards.c b/drivers/media/pci/mantis/hopper_cards.c
index 11e987860b23..0c91df34ec67 100644
--- a/drivers/media/pci/mantis/hopper_cards.c
+++ b/drivers/media/pci/mantis/hopper_cards.c
@@ -165,7 +165,6 @@ static int hopper_pci_probe(struct pci_dev *pdev,
mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
if (mantis == NULL) {
- printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
err = -ENOMEM;
goto fail0;
}
diff --git a/drivers/media/pci/mantis/mantis_cards.c b/drivers/media/pci/mantis/mantis_cards.c
index adc980d33711..2dba030c7132 100644
--- a/drivers/media/pci/mantis/mantis_cards.c
+++ b/drivers/media/pci/mantis/mantis_cards.c
@@ -174,10 +174,8 @@ static int mantis_pci_probe(struct pci_dev *pdev,
int err = 0;
mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
- if (mantis == NULL) {
- printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
+ if (!mantis)
return -ENOMEM;
- }
drvdata = (void *)pci_id->driver_data;
mantis->num = devs;
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
index 49e047e4a81e..af9cd02fac0c 100644
--- a/drivers/media/pci/meye/meye.c
+++ b/drivers/media/pci/meye/meye.c
@@ -1626,23 +1626,18 @@ static int meye_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
meye.mchip_dev = pcidev;
meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE);
- if (!meye.grab_temp) {
- v4l2_err(v4l2_dev, "grab buffer allocation failed\n");
+ if (!meye.grab_temp)
goto outvmalloc;
- }
spin_lock_init(&meye.grabq_lock);
if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS,
- GFP_KERNEL)) {
- v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ GFP_KERNEL))
goto outkfifoalloc1;
- }
+
spin_lock_init(&meye.doneq_lock);
if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS,
- GFP_KERNEL)) {
- v4l2_err(v4l2_dev, "fifo allocation failed\n");
+ GFP_KERNEL))
goto outkfifoalloc2;
- }
meye.vdev = meye_template;
meye.vdev.v4l2_dev = &meye.v4l2_dev;
diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c
index f708cab01fef..32c19bad9a17 100644
--- a/drivers/media/pci/saa7146/hexium_gemini.c
+++ b/drivers/media/pci/saa7146/hexium_gemini.c
@@ -261,10 +261,9 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
DEB_EE("\n");
hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
- if (NULL == hexium) {
- pr_err("not enough kernel memory in hexium_attach()\n");
+ if (!hexium)
return -ENOMEM;
- }
+
dev->ext_priv = hexium;
/* enable i2c-port pins */
diff --git a/drivers/media/pci/saa7146/hexium_orion.c b/drivers/media/pci/saa7146/hexium_orion.c
index 01f01580c7ca..8d1dc8eea988 100644
--- a/drivers/media/pci/saa7146/hexium_orion.c
+++ b/drivers/media/pci/saa7146/hexium_orion.c
@@ -220,10 +220,8 @@ static int hexium_probe(struct saa7146_dev *dev)
}
hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
- if (NULL == hexium) {
- pr_err("hexium_probe: not enough kernel memory\n");
+ if (!hexium)
return -ENOMEM;
- }
/* enable i2c-port pins */
saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
diff --git a/drivers/media/pci/saa7164/saa7164-buffer.c b/drivers/media/pci/saa7164/saa7164-buffer.c
index a0d2129c6ca9..6bd665ea190d 100644
--- a/drivers/media/pci/saa7164/saa7164-buffer.c
+++ b/drivers/media/pci/saa7164/saa7164-buffer.c
@@ -99,10 +99,8 @@ struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_port *port,
}
buf = kzalloc(sizeof(struct saa7164_buffer), GFP_KERNEL);
- if (!buf) {
- log_warn("%s() SAA_ERR_NO_RESOURCES\n", __func__);
+ if (!buf)
goto ret;
- }
buf->idx = -1;
buf->port = port;
diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
index d7103c5f92c3..db410c558a74 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -1507,10 +1507,8 @@ static int isc_formats_init(struct isc_device *isc)
isc->user_formats = devm_kcalloc(isc->dev,
num_fmts, sizeof(struct isc_format *),
GFP_KERNEL);
- if (!isc->user_formats) {
- v4l2_err(&isc->v4l2_dev, "could not allocate memory\n");
+ if (!isc->user_formats)
return -ENOMEM;
- }
fmt = &isc_formats[0];
for (i = 0, j = 0; i < ARRAY_SIZE(isc_formats); i++) {
diff --git a/drivers/media/platform/atmel/atmel-isi.c b/drivers/media/platform/atmel/atmel-isi.c
index 891fa2505efa..154e9c39b64f 100644
--- a/drivers/media/platform/atmel/atmel-isi.c
+++ b/drivers/media/platform/atmel/atmel-isi.c
@@ -1038,10 +1038,8 @@ static int isi_formats_init(struct atmel_isi *isi)
isi->user_formats = devm_kcalloc(isi->dev,
num_fmts, sizeof(struct isi_format *),
GFP_KERNEL);
- if (!isi->user_formats) {
- dev_err(isi->dev, "could not allocate memory\n");
+ if (!isi->user_formats)
return -ENOMEM;
- }
memcpy(isi->user_formats, isi_fmts,
num_fmts * sizeof(struct isi_format *));
@@ -1176,10 +1174,8 @@ static int atmel_isi_probe(struct platform_device *pdev)
int ret, i;
isi = devm_kzalloc(&pdev->dev, sizeof(struct atmel_isi), GFP_KERNEL);
- if (!isi) {
- dev_err(&pdev->dev, "Can't allocate interface!\n");
+ if (!isi)
return -ENOMEM;
- }
isi->pclk = devm_clk_get(&pdev->dev, "isi_clk");
if (IS_ERR(isi->pclk))
diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
index 37169054b828..478eb2f7d723 100644
--- a/drivers/media/platform/blackfin/ppi.c
+++ b/drivers/media/platform/blackfin/ppi.c
@@ -338,7 +338,6 @@ struct ppi_if *ppi_create_instance(struct platform_device *pdev,
ppi = kzalloc(sizeof(*ppi), GFP_KERNEL);
if (!ppi) {
peripheral_free_list(info->pin_req);
- dev_err(&pdev->dev, "unable to allocate memory for ppi handle\n");
return NULL;
}
ppi->ops = &ppi_ops;
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c
index 4ff8d0aed015..b50cff4ef9eb 100644
--- a/drivers/media/usb/zr364xx/zr364xx.c
+++ b/drivers/media/usb/zr364xx/zr364xx.c
@@ -209,10 +209,8 @@ static int send_control_msg(struct usb_device *udev, u8 request, u16 value,
int status;
unsigned char *transfer_buffer = kmalloc(size, GFP_KERNEL);
- if (!transfer_buffer) {
- dev_err(&udev->dev, "kmalloc(%d) failed\n", size);
+ if (!transfer_buffer)
return -ENOMEM;
- }
memcpy(transfer_buffer, cp, size);
@@ -1424,10 +1422,8 @@ static int zr364xx_probe(struct usb_interface *intf,
le16_to_cpu(udev->descriptor.idProduct));
cam = kzalloc(sizeof(struct zr364xx_camera), GFP_KERNEL);
- if (cam == NULL) {
- dev_err(&udev->dev, "cam: out of memory !\n");
+ if (!cam)
return -ENOMEM;
- }
cam->v4l2_dev.release = zr364xx_release;
err = v4l2_device_register(&intf->dev, &cam->v4l2_dev);