patch-2.1.30 linux/fs/proc/fd.c
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- Lines: 15
- Date:
Thu Mar 20 17:11:52 1997
- Orig file:
v2.1.29/linux/fs/proc/fd.c
- Orig date:
Sun Jan 26 02:07:45 1997
diff -u --recursive --new-file v2.1.29/linux/fs/proc/fd.c linux/fs/proc/fd.c
@@ -106,7 +106,13 @@
if (!pid || i >= NR_TASKS)
return -ENOENT;
- if (fd >= NR_OPEN || !p->files->fd[fd] || !p->files->fd[fd]->f_inode)
+ /*
+ * File handle is invalid if it is out of range, if the process
+ * has no files (Zombie) if the file is closed, or if its inode
+ * is NULL
+ */
+
+ if (fd >= NR_OPEN || !p->files || !p->files->fd[fd] || !p->files->fd[fd]->f_inode)
return -ENOENT;
ino = (pid << 16) + (PROC_PID_FD_DIR << 8) + fd;
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