From 663a962151593c69374776e8651238d0da072459 Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Sat, 24 May 2014 16:42:02 +0400 Subject: [PATCH] CIFS: Fix memory leaks in SMB2_open Cc: # v3.12+ Signed-off-by: Pavel Shilovsky Reviewed-by: Shirish Pargaonkar Signed-off-by: Steve French --- fs/cifs/smb2pdu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index b0037b609c54..b0b260dbb19d 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1097,6 +1097,7 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, int rc = 0; unsigned int num_iovecs = 2; __u32 file_attributes = 0; + char *dhc_buf = NULL, *lc_buf = NULL; cifs_dbg(FYI, "create/open\n"); @@ -1163,6 +1164,7 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, kfree(copy_path); return rc; } + lc_buf = iov[num_iovecs-1].iov_base; } if (*oplock == SMB2_OPLOCK_LEVEL_BATCH) { @@ -1177,9 +1179,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, if (rc) { cifs_small_buf_release(req); kfree(copy_path); - kfree(iov[num_iovecs-1].iov_base); + kfree(lc_buf); return rc; } + dhc_buf = iov[num_iovecs-1].iov_base; } rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buftype, 0); @@ -1211,6 +1214,8 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, *oplock = rsp->OplockLevel; creat_exit: kfree(copy_path); + kfree(lc_buf); + kfree(dhc_buf); free_rsp_buf(resp_buftype, rsp); return rc; } -- 2.11.0