From: Kulikov Vasiliy <segooon@xxxxxxxxx>
kmalloc() may fail, if so return error from zfwUsbSubmitControl().
Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/otus/wrap_usb.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/otus/wrap_usb.c b/drivers/staging/otus/wrap_usb.c
index 93459ca..9f04047 100644
--- a/drivers/staging/otus/wrap_usb.c
+++ b/drivers/staging/otus/wrap_usb.c
@@ -104,6 +104,11 @@ u32_t zfwUsbSubmitControl(zdev_t *dev, u8_t req, u16_t value, u16_t index,
if (size > 0) {
buf = kmalloc(size, GFP_KERNEL);
+ if (buf == NULL) {
+ pr_err("zfwUsbSubmitControl() failed, "
+ "kmalloc() returned NULL\n");
+ return 1;
+ }
memcpy(buf, (u8_t *)data, size);
} else
buf = NULL;
--
1.7.1
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