staging: ccree: remove compare to none zero

The driver was full of code checking "if (x != 0)".
Replace by "if (x)" for better readability.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 17 insertions, 17 deletions

diff --git a/drivers/staging/ccree/ssi_driver.c b/drivers/staging/ccree/ssi_driver.c
index b9d13520b4d4..7b77f3f273d8 100644
--- a/drivers/staging/ccree/ssi_driver.c
+++ b/drivers/staging/ccree/ssi_driver.c
@@ -111,7 +111,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
 
 	drvdata->irq = irr;
 	/* Completion interrupt - most probable */
-	if (likely((irr & SSI_COMP_IRQ_MASK) != 0)) {
+	if (likely((irr & SSI_COMP_IRQ_MASK))) {
 		/* Mask AXI completion interrupt - will be unmasked in Deferred service handler */
 		cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | SSI_COMP_IRQ_MASK);
 		irr &= ~SSI_COMP_IRQ_MASK;
@@ -119,7 +119,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
 	}
 #ifdef CC_SUPPORT_FIPS
 	/* TEE FIPS interrupt */
-	if (likely((irr & SSI_GPR0_IRQ_MASK) != 0)) {
+	if (likely((irr & SSI_GPR0_IRQ_MASK))) {
 		/* Mask interrupt - will be unmasked in Deferred service handler */
 		cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | SSI_GPR0_IRQ_MASK);
 		irr &= ~SSI_GPR0_IRQ_MASK;
@@ -127,7 +127,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
 	}
 #endif
 	/* AXI error interrupt */
-	if (unlikely((irr & SSI_AXI_ERR_IRQ_MASK) != 0)) {
+	if (unlikely((irr & SSI_AXI_ERR_IRQ_MASK))) {
 		u32 axi_err;
 
 		/* Read the AXI error ID */
@@ -138,7 +138,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
 		irr &= ~SSI_AXI_ERR_IRQ_MASK;
 	}
 
-	if (unlikely(irr != 0)) {
+	if (unlikely(irr)) {
 		dev_dbg(dev, "IRR includes unknown cause bits (0x%08X)\n",
 			irr);
 		/* Just warning */
@@ -292,26 +292,26 @@ static int init_cc_resources(struct platform_device *plat_dev)
 		 DRV_MODULE_VERSION);
 
 	rc = init_cc_regs(new_drvdata, true);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "init_cc_regs failed\n");
 		goto post_clk_err;
 	}
 
 #ifdef ENABLE_CC_SYSFS
 	rc = ssi_sysfs_init(&dev->kobj, new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "init_stat_db failed\n");
 		goto post_regs_err;
 	}
 #endif
 
 	rc = ssi_fips_init(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "SSI_FIPS_INIT failed 0x%x\n", rc);
 		goto post_sysfs_err;
 	}
 	rc = ssi_sram_mgr_init(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "ssi_sram_mgr_init failed\n");
 		goto post_fips_init_err;
 	}
@@ -325,45 +325,45 @@ static int init_cc_resources(struct platform_device *plat_dev)
 	}
 
 	rc = request_mgr_init(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "request_mgr_init failed\n");
 		goto post_sram_mgr_err;
 	}
 
 	rc = cc_buffer_mgr_init(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "buffer_mgr_init failed\n");
 		goto post_req_mgr_err;
 	}
 
 	rc = cc_pm_init(new_drvdata);
-	if (unlikely(rc != 0)) {
-		dev_err(dev, "cc_pm_init failed\n");
+	if (unlikely(rc)) {
+		dev_err(dev, "ssi_power_mgr_init failed\n");
 		goto post_buf_mgr_err;
 	}
 
 	rc = ssi_ivgen_init(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "ssi_ivgen_init failed\n");
 		goto post_power_mgr_err;
 	}
 
 	/* Allocate crypto algs */
 	rc = ssi_ablkcipher_alloc(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "ssi_ablkcipher_alloc failed\n");
 		goto post_ivgen_err;
 	}
 
 	/* hash must be allocated before aead since hash exports APIs */
 	rc = ssi_hash_alloc(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "ssi_hash_alloc failed\n");
 		goto post_cipher_err;
 	}
 
 	rc = ssi_aead_alloc(new_drvdata);
-	if (unlikely(rc != 0)) {
+	if (unlikely(rc)) {
 		dev_err(dev, "ssi_aead_alloc failed\n");
 		goto post_hash_err;
 	}
@@ -477,7 +477,7 @@ static int cc7x_probe(struct platform_device *plat_dev)
 
 	/* Map registers space */
 	rc = init_cc_resources(plat_dev);
-	if (rc != 0)
+	if (rc)
 		return rc;
 
 	dev_info(dev, "ARM ccree device initialized\n");