cifsd: check return value of ksmbd_vfs_getcasexattr() correctly

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If ksmbd_vfs_getcasexattr() returns -ENOMEM, stream_buf is NULL,
it will cause null-ptr-deref when using it to copy memory. So we
need check the return value of ksmbd_vfs_getcasexattr() by comparing
with 0.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Yang Yingliang 2021-05-31 17:25:05 +09:00 • committed by Namjae Jeon

parent 673b9ba7a1

commit fd6de099d7

1 changed files with 4 additions and 8 deletions

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fs/cifsd/vfs.c

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