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| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-10-02 02:17:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:14 -0700 |
| commit | 609d7fa9565c754428d2520cac2accc9052e1245 (patch) | |
| tree | 1c5114ec3720166fe99ce3885e8767929a8a84e0 /fs/file_table.c | |
| parent | bde0d2c98bcfc9acc83ac79c33a6ac1335b95a92 (diff) | |
| download | lwn-609d7fa9565c754428d2520cac2accc9052e1245.tar.gz lwn-609d7fa9565c754428d2520cac2accc9052e1245.zip | |
[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.c | 1 |
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; |