[patch 08/11] char/snsc: reorder set_current_state() and add_wait_queue()

[domen@coderock.org]

Any comments would be, as always, appreciated.

-Nish

Description: Reorder add_wait_queue() and set_current_state() as a
signal could be lost in between the two functions.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
---


 kj-domen/drivers/char/snsc.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -puN drivers/char/snsc.c~reorder-state-drivers_char_snsc drivers/char/snsc.c
--- kj/drivers/char/snsc.c~reorder-state-drivers_char_snsc	2005-01-10 18:00:24.000000000 +0100
+++ kj-domen/drivers/char/snsc.c	2005-01-10 18:00:24.000000000 +0100
@@ -192,8 +192,8 @@ scdrv_read(struct file *file, char __use
 		}
 
 		len = CHUNKSIZE;
-		add_wait_queue(&sd->sd_rq, &wait);
 		set_current_state(TASK_INTERRUPTIBLE);
+		add_wait_queue(&sd->sd_rq, &wait);
 		spin_unlock_irqrestore(&sd->sd_rlock, flags);
 
 		schedule_timeout(SCDRV_TIMEOUT);
@@ -288,8 +288,8 @@ scdrv_write(struct file *file, const cha
 			return -EAGAIN;
 		}
 
-		add_wait_queue(&sd->sd_wq, &wait);
 		set_current_state(TASK_INTERRUPTIBLE);
+		add_wait_queue(&sd->sd_wq, &wait);
 		spin_unlock_irqrestore(&sd->sd_wlock, flags);
 
 		schedule_timeout(SCDRV_TIMEOUT);
_