From: Wei Yongjun <[email protected]>
Fix to return error code -ENOMEM from the kmalloc() error handling
case instead of 0, as done elsewhere in this function.
Fixes: a19b882c07a6 ("wusb: Stop using the stack for sg crypto scratch
space")
Signed-off-by: Wei Yongjun <[email protected]>
---
drivers/usb/wusbcore/crypto.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c
index de089f3..79451f7 100644
--- a/drivers/usb/wusbcore/crypto.c
+++ b/drivers/usb/wusbcore/crypto.c
@@ -339,8 +339,10 @@ ssize_t wusb_prf(void *out, size_t out_size,
goto error_setkey_aes;
}
scratch = kmalloc(sizeof(*scratch), GFP_KERNEL);
- if (!scratch)
+ if (!scratch) {
+ result = -ENOMEM;
goto error_alloc_scratch;
+ }
for (bitr = 0; bitr < (len + 63) / 64; bitr++) {
sfn_le = cpu_to_le64(sfn++);
--
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