diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-10-12 07:03:18 +0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-12 07:03:18 +0400 |
| commit | 47c786e79b46ef478a1123cb57c711ecb481cbfa (patch) | |
| tree | 915f408208c8930ccefff3ea8a137ec5fd395b22 /fs/cifs/cifssmb.c | |
| parent | 1047abc159b4eb4ba4a7342a0969e16e9d4b4c69 (diff) | |
| download | linux-47c786e79b46ef478a1123cb57c711ecb481cbfa.tar.xz | |
[CIFS] Add null malloc response check in notify experimental code
Signed-off-by: Steve French (sfrench@us.ibm.com)
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 41996a240149..9312bfc56682 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4294,20 +4294,26 @@ int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, cFYI(1, ("Error in Notify = %d", rc)); } else { /* Add file to outstanding requests */ + /* BB change to kmem cache alloc */ dnotify_req = (struct dir_notify_req *) kmalloc( - sizeof(struct dir_notify_req), GFP_KERNEL); - dnotify_req->Pid = pSMB->hdr.Pid; - dnotify_req->PidHigh = pSMB->hdr.PidHigh; - dnotify_req->Mid = pSMB->hdr.Mid; - dnotify_req->Tid = pSMB->hdr.Tid; - dnotify_req->Uid = pSMB->hdr.Uid; - dnotify_req->netfid = netfid; - dnotify_req->pfile = pfile; - dnotify_req->filter = filter; - dnotify_req->multishot = multishot; - spin_lock(&GlobalMid_Lock); - list_add_tail(&dnotify_req->lhead, &GlobalDnotifyReqList); - spin_unlock(&GlobalMid_Lock); + sizeof(struct dir_notify_req), + GFP_KERNEL); + if(dnotify_req) { + dnotify_req->Pid = pSMB->hdr.Pid; + dnotify_req->PidHigh = pSMB->hdr.PidHigh; + dnotify_req->Mid = pSMB->hdr.Mid; + dnotify_req->Tid = pSMB->hdr.Tid; + dnotify_req->Uid = pSMB->hdr.Uid; + dnotify_req->netfid = netfid; + dnotify_req->pfile = pfile; + dnotify_req->filter = filter; + dnotify_req->multishot = multishot; + spin_lock(&GlobalMid_Lock); + list_add_tail(&dnotify_req->lhead, + &GlobalDnotifyReqList); + spin_unlock(&GlobalMid_Lock); + } else + rc = -ENOMEM; } cifs_buf_release(pSMB); return rc; |