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authorEric W. Biederman <ebiederm@xmission.com>2006-12-13 00:35:11 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-13 09:05:53 -0800
commit2154227a2c6cf04e28576b59c684123eb0e81958 (patch)
treea568074140eb7b63886a468315cb25224901a7bc /fs/ncpfs/inode.c
parenta71113da44063b587b5a4c2fc94c948a14f2bb43 (diff)
[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/inode.c')
-rw-r--r--fs/ncpfs/inode.c11
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);