patch-2.3.10 linux/fs/proc/link.c

• Lines: 25
• Date: Mon Jul 5 19:59:55 1999
• Orig file: v2.3.9/linux/fs/proc/link.c
• Orig date: Wed Jun 30 13:38:20 1999

diff -u --recursive --new-file v2.3.9/linux/fs/proc/link.c linux/fs/proc/link.c
@@ -119,10 +119,14 @@
 			if (ino & PROC_PID_FD_DIR) {
 				struct file * file;
 				ino &= 0x7fff;
+				if (!p->files) /* shouldn't happen here */
+					goto out_unlock;
+				read_lock(&p->files->file_lock);
 				file = fcheck_task(p, ino);
 				if (!file || !file->f_dentry)
 					goto out_unlock;
 				result = file->f_dentry;
+				read_unlock(&p->files->file_lock);
 				goto out_dget;
 			}
 	}
@@ -146,6 +150,9 @@
 	char * tmp = (char*)__get_free_page(GFP_KERNEL), *path, *pattern;
 	int len;
 
+	if(tmp==NULL)
+		return -ENOMEM;
+		
 	/* Check for special dentries.. */
 	pattern = NULL;
 	inode = dentry->d_inode;