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>
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@ -1097,6 +1097,7 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
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int rc = 0;
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unsigned int num_iovecs = 2;
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__u32 file_attributes = 0;
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char *dhc_buf = NULL, *lc_buf = NULL;
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cifs_dbg(FYI, "create/open\n");
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@ -1163,6 +1164,7 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
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kfree(copy_path);
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return rc;
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}
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lc_buf = iov[num_iovecs-1].iov_base;
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}
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if (*oplock == SMB2_OPLOCK_LEVEL_BATCH) {
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@ -1177,9 +1179,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
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if (rc) {
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cifs_small_buf_release(req);
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kfree(copy_path);
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kfree(iov[num_iovecs-1].iov_base);
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kfree(lc_buf);
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return rc;
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}
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dhc_buf = iov[num_iovecs-1].iov_base;
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}
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rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buftype, 0);
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@ -1211,6 +1214,8 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
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*oplock = rsp->OplockLevel;
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creat_exit:
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kfree(copy_path);
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kfree(lc_buf);
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kfree(dhc_buf);
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free_rsp_buf(resp_buftype, rsp);
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return rc;
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}
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