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authorEric W. Biederman <ebiederm@xmission.com>2006-10-02 13:17:15 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 18:57:14 +0400
commit609d7fa9565c754428d2520cac2accc9052e1245 (patch)
tree1c5114ec3720166fe99ce3885e8767929a8a84e0 /fs/file_table.c
parentbde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (diff)
downloadlinux-609d7fa9565c754428d2520cac2accc9052e1245.tar.xz
[PATCH] file: modify struct fown_struct to use a struct pid
File handles can be requested to send sigio and sigurg to processes. By tracking the destination processes using struct pid instead of pid_t we make the interface safe from all potential pid wrap around problems. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/file_table.c')
-rw-r--r--fs/file_table.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index bc35a40417d7..24f25a057d9c 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -174,6 +174,7 @@ void fastcall __fput(struct file *file)
fops_put(file->f_op);
if (file->f_mode & FMODE_WRITE)
put_write_access(inode);
+ put_pid(file->f_owner.pid);
file_kill(file);
file->f_dentry = NULL;
file->f_vfsmnt = NULL;