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Commit 1ee1710c authored by Wei Yongjun's avatar Wei Yongjun Committed by Greg Kroah-Hartman
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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: a19b882c ("wusb: Stop using the stack for sg crypto scratch space")
Signed-off-by: default avatarWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 733cbe06

drivers/usb/wusbcore/crypto.c

+3 −1
Original line number Diff line number Diff line
@@ -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++);