Commit 0d81fcdd1447a0d3de5e4126be10734bce3c3468
Committed by
Greg Kroah-Hartman
1 parent
0ea9bb58b2
CIFS: Fix memory leaks in SMB2_open
commit 663a962151593c69374776e8651238d0da072459 upstream. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Reviewed-by: Shirish Pargaonkar <spargaonkar@suse.com> Signed-off-by: Steve French <smfrench@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Showing 1 changed file with 6 additions and 1 deletions Side-by-side Diff
fs/cifs/smb2pdu.c
| ... | ... | @@ -1089,6 +1089,7 @@ |
| 1089 | 1089 | int rc = 0; |
| 1090 | 1090 | unsigned int num_iovecs = 2; |
| 1091 | 1091 | __u32 file_attributes = 0; |
| 1092 | + char *dhc_buf = NULL, *lc_buf = NULL; | |
| 1092 | 1093 | |
| 1093 | 1094 | cifs_dbg(FYI, "create/open\n"); |
| 1094 | 1095 | |
| ... | ... | @@ -1155,6 +1156,7 @@ |
| 1155 | 1156 | kfree(copy_path); |
| 1156 | 1157 | return rc; |
| 1157 | 1158 | } |
| 1159 | + lc_buf = iov[num_iovecs-1].iov_base; | |
| 1158 | 1160 | } |
| 1159 | 1161 | |
| 1160 | 1162 | if (*oplock == SMB2_OPLOCK_LEVEL_BATCH) { |
| 1161 | 1163 | |
| ... | ... | @@ -1169,9 +1171,10 @@ |
| 1169 | 1171 | if (rc) { |
| 1170 | 1172 | cifs_small_buf_release(req); |
| 1171 | 1173 | kfree(copy_path); |
| 1172 | - kfree(iov[num_iovecs-1].iov_base); | |
| 1174 | + kfree(lc_buf); | |
| 1173 | 1175 | return rc; |
| 1174 | 1176 | } |
| 1177 | + dhc_buf = iov[num_iovecs-1].iov_base; | |
| 1175 | 1178 | } |
| 1176 | 1179 | |
| 1177 | 1180 | rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buftype, 0); |
| ... | ... | @@ -1203,6 +1206,8 @@ |
| 1203 | 1206 | *oplock = rsp->OplockLevel; |
| 1204 | 1207 | creat_exit: |
| 1205 | 1208 | kfree(copy_path); |
| 1209 | + kfree(lc_buf); | |
| 1210 | + kfree(dhc_buf); | |
| 1206 | 1211 | free_rsp_buf(resp_buftype, rsp); |
| 1207 | 1212 | return rc; |
| 1208 | 1213 | } |