2017-06-11 0:12 GMT-07:00 Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>:
> 'rc' is known to be 0 at this point. So if 'init_sg' or 'kzalloc' fails, we
> should return -ENOMEM instead.
>
> Also remove a useless 'rc' in a debug message as it is meaningless here.
>
> Fixes: 026e93dc0a3ee ("CIFS: Encrypt SMB3 requests before sending")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> fs/cifs/smb2ops.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
> index c58691834eb2..cdcb3d95add8 100644
> --- a/fs/cifs/smb2ops.c
> +++ b/fs/cifs/smb2ops.c
> @@ -1809,7 +1809,8 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc)
>
> sg = init_sg(rqst, sign);
> if (!sg) {
> - cifs_dbg(VFS, "%s: Failed to init sg %d", __func__, rc);
> + cifs_dbg(VFS, "%s: Failed to init sg", __func__);
> + rc = -ENOMEM;
> goto free_req;
> }
>
> @@ -1817,6 +1818,7 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc)
> iv = kzalloc(iv_len, GFP_KERNEL);
> if (!iv) {
> cifs_dbg(VFS, "%s: Failed to alloc IV", __func__);
> + rc = -ENOMEM;
> goto free_sg;
> }
> iv[0] = 3;
> --
> 2.11.0
>
> --
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Thanks for catching this.
Reviewed-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx>
--
Best regards,
Pavel Shilovsky
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