TTY: synclink, remove unneeded tests

info in synclink bottom-halves cannot be NULL because it is taken from
work_struct using container_of. Remove the tests.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index f334aec..34e52ed 100644 (file)
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -765,9 +765,6 @@ static void bh_handler(struct work_struct *work)
        struct tty_struct *tty;
        int action;
 
-       if (!info)
-               return;
-
        if (debug_level >= DEBUG_LEVEL_BH)
                printk( "%s(%d):bh_handler(%s) entry\n",
                        __FILE__,__LINE__,info->device_name);

diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index fced6ac..ac8599a 100644 (file)
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -1957,8 +1957,6 @@ static void bh_handler(struct work_struct *work)
        struct slgt_info *info = container_of(work, struct slgt_info, task);
        int action;
 
-       if (!info)
-               return;
        info->bh_running = true;
 
        while((action = bh_action(info))) {

diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
index e4a2904..5454025 100644 (file)
--- a/drivers/tty/synclinkmp.c
+++ b/drivers/tty/synclinkmp.c
@@ -2007,9 +2007,6 @@ static void bh_handler(struct work_struct *work)
        SLMP_INFO *info = container_of(work, SLMP_INFO, task);
        int action;
 
-       if (!info)
-               return;
-
        if ( debug_level >= DEBUG_LEVEL_BH )
                printk( "%s(%d):%s bh_handler() entry\n",
                        __FILE__,__LINE__,info->device_name);