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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2016-10-19 13:19:02 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-19 15:28:29 +0200 |
| commit | 1ee1710cd6bbf49853688e97d6e1d98b48f28586 (patch) | |
| tree | 98e70edfb6f72b559b49203f87c27eca477e0e9c /drivers/usb/wusbcore | |
| parent | 733cbe069835d081c9e4bbfabb25597da472359c (diff) | |
| download | linux-1ee1710cd6bbf49853688e97d6e1d98b48f28586.tar.gz linux-1ee1710cd6bbf49853688e97d6e1d98b48f28586.tar.bz2 linux-1ee1710cd6bbf49853688e97d6e1d98b48f28586.zip | |
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 <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/wusbcore')
| -rw-r--r-- | drivers/usb/wusbcore/crypto.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c index de089f3a82f3..79451f7ef1b7 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++); |