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authorPavel Shilovsky <pshilovsky@samba.org>2014-05-24 16:42:02 +0400
committerSteve French <smfrench@gmail.com>2014-05-24 13:24:20 -0700
commit663a962151593c69374776e8651238d0da072459 (patch)
tree6f2a60475f96a8acee862cb15c760eac3e40a8df
parent08b37d518af365e7a52fe11320ea683856407581 (diff)
CIFS: Fix memory leaks in SMB2_open
Cc: <stable@vger.kernel.org> # v3.12+ Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Reviewed-by: Shirish Pargaonkar <spargaonkar@suse.com> Signed-off-by: Steve French <smfrench@gmail.com>
-rw-r--r--fs/cifs/smb2pdu.c7
1 files changed, 6 insertions, 1 deletions
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;
}