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| author | Steve French <sfrench@us.ibm.com> | 2005-10-11 20:03:18 -0700 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-11 20:03:18 -0700 |
| commit | 47c786e79b46ef478a1123cb57c711ecb481cbfa (patch) | |
| tree | 915f408208c8930ccefff3ea8a137ec5fd395b22 | |
| parent | 1047abc159b4eb4ba4a7342a0969e16e9d4b4c69 (diff) | |
| download | linux-47c786e79b46ef478a1123cb57c711ecb481cbfa.tar.gz linux-47c786e79b46ef478a1123cb57c711ecb481cbfa.tar.bz2 linux-47c786e79b46ef478a1123cb57c711ecb481cbfa.zip | |
[CIFS] Add null malloc response check in notify experimental code
Signed-off-by: Steve French (sfrench@us.ibm.com)
| -rw-r--r-- | fs/cifs/cifs_debug.c | 2 | ||||
| -rw-r--r-- | fs/cifs/cifssmb.c | 32 |
2 files changed, 20 insertions, 14 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index f4054d695f81..22a444a3fe4c 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -217,7 +217,7 @@ cifs_stats_write(struct file *file, const char __user *buffer, if (rc) return rc; - if (c == '1' || c == 'y' || c == 'Y') { + if (c == '1' || c == 'y' || c == 'Y' || c == '0') { read_lock(&GlobalSMBSeslock); list_for_each(tmp, &GlobalTreeConnectionList) { tcon = list_entry(tmp, struct cifsTconInfo, 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; |