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| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-12-13 00:35:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 09:05:53 -0800 |
| commit | 2154227a2c6cf04e28576b59c684123eb0e81958 (patch) | |
| tree | a568074140eb7b63886a468315cb25224901a7bc /fs/ncpfs | |
| parent | a71113da44063b587b5a4c2fc94c948a14f2bb43 (diff) | |
| download | lwn-2154227a2c6cf04e28576b59c684123eb0e81958.tar.gz lwn-2154227a2c6cf04e28576b59c684123eb0e81958.zip | |
[PATCH] ncpfs: Use struct pid to track the userspace watchdog process
This patch converts the tracking of the user space watchdog process from using
a pid_t to use struct pid. This makes us safe from pid wrap around issues and
prepares the way for the pid namespace.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ncpfs')
| -rw-r--r-- | fs/ncpfs/inode.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 47462ac94474..861d950ac99a 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -331,7 +331,7 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) data->flags = 0; data->int_flags = 0; data->mounted_uid = 0; - data->wdog_pid = -1; + data->wdog_pid = NULL; data->ncp_fd = ~0; data->time_out = 10; data->retry_count = 20; @@ -371,7 +371,7 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) data->flags = optint; break; case 'w': - data->wdog_pid = optint; + data->wdog_pid = find_get_pid(optint); break; case 'n': data->ncp_fd = optint; @@ -425,7 +425,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) data.flags = md->flags; data.int_flags = NCP_IMOUNT_LOGGEDIN_POSSIBLE; data.mounted_uid = md->mounted_uid; - data.wdog_pid = md->wdog_pid; + data.wdog_pid = find_get_pid(md->wdog_pid); data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; @@ -445,7 +445,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) data.flags = md->flags; data.int_flags = 0; data.mounted_uid = md->mounted_uid; - data.wdog_pid = md->wdog_pid; + data.wdog_pid = find_get_pid(md->wdog_pid); data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; @@ -711,7 +711,8 @@ static void ncp_put_super(struct super_block *sb) if (server->info_filp) fput(server->info_filp); fput(server->ncp_filp); - kill_proc(server->m.wdog_pid, SIGTERM, 1); + kill_pid(server->m.wdog_pid, SIGTERM, 1); + put_pid(server->m.wdog_pid); kfree(server->priv.data); kfree(server->auth.object_name); |