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misc: genwqe: card_base: Remove set but unused variable 'rc'

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Variable 'rc' hasn't been checked since the driver's inception
in 2013.  If it hasn't caused any issues since then, it's unlikely
to in the future.  Let's take it out for now.

Fixes the following W=1 kernel build warning(s):

 drivers/misc/genwqe/card_base.c: In function ‘genwqe_health_check_stop’:
 /home/lee/projects/linux/kernel/drivers/misc/genwqe/card_base.c:1046:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
 1046 | int rc;
 | ^~

Cc: Michael Jung <mijung@gmx.net>
Cc: Michael Ruettger <michael@ibmra.de>
Cc: Frank Haverkamp <haver@linux.ibm.com>
Cc: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Frank Haverkamp <haver@linux.ibm.com>
Link: https://lore.kernel.org/r/20200701085853.164358-17-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2020-07-01 09:58:49 +01:00 committed by Greg Kroah-Hartman
parent 6a57251c70
commit f33e92e50c
1 changed files with 1 additions and 3 deletions
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4
drivers/misc/genwqe/card_base.c
View file

@ -1043,12 +1043,10 @@ static int genwqe_health_thread_running(struct genwqe_dev *cd)
static int genwqe_health_check_stop(struct genwqe_dev *cd)
{
int rc;
if (!genwqe_health_thread_running(cd))
return -EIO;
rc = kthread_stop(cd->health_thread);
kthread_stop(cd->health_thread);
cd->health_thread = NULL;
return 0;
}