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| author | Cedric Le Goater <clg@fr.ibm.com> | 2006-10-02 02:17:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:15 -0700 |
| commit | 782237a2418e2561a87c86a4832726931adce737 (patch) | |
| tree | 2d647654b23bb2867e3c785d22090c7f12298f78 /drivers/s390 | |
| parent | 2425c08b37244005ff221efe4957d8aaff18609c (diff) | |
| download | linux-3.10-782237a2418e2561a87c86a4832726931adce737.tar.gz linux-3.10-782237a2418e2561a87c86a4832726931adce737.tar.bz2 linux-3.10-782237a2418e2561a87c86a4832726931adce737.zip | |
[PATCH] s390: update fs3270 to use a struct pid
Replaces the pid_t value with a struct pid to avoid pid wrap around
problems.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-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 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/fs3270.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index b4557fa3085..78f8bda81da 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -27,7 +27,7 @@ struct raw3270_fn fs3270_fn; struct fs3270 { struct raw3270_view view; - pid_t fs_pid; /* Pid of controlling program. */ + struct pid *fs_pid; /* Pid of controlling program. */ int read_command; /* ccw command to use for reads. */ int write_command; /* ccw command to use for writes. */ int attention; /* Got attention. */ @@ -102,7 +102,7 @@ fs3270_restore_callback(struct raw3270_request *rq, void *data) fp = (struct fs3270 *) rq->view; if (rq->rc != 0 || rq->rescnt != 0) { if (fp->fs_pid) - kill_proc(fp->fs_pid, SIGHUP, 1); + kill_pid(fp->fs_pid, SIGHUP, 1); } fp->rdbuf_size = 0; raw3270_request_reset(rq); @@ -173,7 +173,7 @@ fs3270_save_callback(struct raw3270_request *rq, void *data) */ if (rq->rc != 0 || rq->rescnt == 0) { if (fp->fs_pid) - kill_proc(fp->fs_pid, SIGHUP, 1); + kill_pid(fp->fs_pid, SIGHUP, 1); fp->rdbuf_size = 0; } else fp->rdbuf_size = fp->rdbuf->size - rq->rescnt; @@ -442,7 +442,7 @@ fs3270_open(struct inode *inode, struct file *filp) return PTR_ERR(fp); init_waitqueue_head(&fp->wait); - fp->fs_pid = current->pid; + fp->fs_pid = get_pid(task_pid(current)); rc = raw3270_add_view(&fp->view, &fs3270_fn, minor); if (rc) { fs3270_free_view(&fp->view); @@ -480,7 +480,8 @@ fs3270_close(struct inode *inode, struct file *filp) fp = filp->private_data; filp->private_data = NULL; if (fp) { - fp->fs_pid = 0; + put_pid(fp->fs_pid); + fp->fs_pid = NULL; raw3270_reset(&fp->view); raw3270_put_view(&fp->view); raw3270_del_view(&fp->view); |