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authorMario Limonciello <mario.limonciello@dell.com>2017-11-09 20:49:09 +0300
committerDarren Hart (VMware) <dvhart@infradead.org>2017-11-17 04:45:26 +0300
commit8b9528a6d9a901b9f933231505fef5630e80ce5a (patch)
tree3e6d5a9ea96b58b7e90f1459ef0dd7f6cc2e14c6 /drivers/platform
parent73ed298b0605a81d8cbf212df887f7b2fe65a61b (diff)
downloadlinux-8b9528a6d9a901b9f933231505fef5630e80ce5a.tar.xz
platform/x86: dell-wmi-descriptor: check if memory was allocated
devm_kzalloc will return NULL pointer if no memory was allocated. This should be checked. This problem also existed when the driver was dell-wmi.c. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/dell-wmi-descriptor.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell-wmi-descriptor.c b/drivers/platform/x86/dell-wmi-descriptor.c
index 3204c408e261..28ef5f37cfbf 100644
--- a/drivers/platform/x86/dell-wmi-descriptor.c
+++ b/drivers/platform/x86/dell-wmi-descriptor.c
@@ -121,6 +121,11 @@ static int dell_wmi_descriptor_probe(struct wmi_device *wdev)
priv = devm_kzalloc(&wdev->dev, sizeof(struct descriptor_priv),
GFP_KERNEL);
+ if (!priv) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
priv->interface_version = buffer[2];
priv->size = buffer[3];
ret = 0;