mount options: fix capifs
Add a .show_options super operation to capifs.
Use generic_show_options() and save the complete option string in
capifs_remount().
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 2dd1b57..6d7c47e 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -52,6 +52,7 @@
gid_t gid = 0;
umode_t mode = 0600;
char *this_char;
+ char *new_opt = kstrdup(data, GFP_KERNEL);
this_char = NULL;
while ((this_char = strsep(&data, ",")) != NULL) {
@@ -72,11 +73,16 @@
return -EINVAL;
}
}
+
+ kfree(s->s_options);
+ s->s_options = new_opt;
+
config.setuid = setuid;
config.setgid = setgid;
config.uid = uid;
config.gid = gid;
config.mode = mode;
+
return 0;
}
@@ -84,6 +90,7 @@
{
.statfs = simple_statfs,
.remount_fs = capifs_remount,
+ .show_options = generic_show_options,
};