From 1ee1710cd6bbf49853688e97d6e1d98b48f28586 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Wed, 19 Oct 2016 13:19:02 +0000 Subject: wusb: fix error return code in wusb_prf() 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/wusbcore/crypto.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/usb/wusbcore') 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++); -- cgit v1.1