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cifs: smbd: Check for iov length on sending the last iov

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When sending the last iov that breaks into smaller buffers to fit the
transfer size, it's necessary to check if this is the last iov.

If this is the latest iov, stop and proceed to send pages.

Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Long Li 2018-04-17 12:17:05 -07:00 committed by Steve French
parent a5240cbde2
commit ab60ee7bf9
1 changed files with 2 additions and 0 deletions
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2
fs/cifs/smbdirect.c
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@ -2194,6 +2194,8 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst)
goto done;
}
i++;
if (i == rqst->rq_nvec)
break;
}
start = i;
buflen = 0;