[S390] s390mach compile warning

Fix the following compile warning:

drivers/s390/s390mach.c: In function 's390_collect_crw_info':
drivers/s390/s390mach.c:77: warning: ignoring return value of 'down_interruptibl

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 4d4b542..5080f34 100644 (file)
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -48,10 +48,11 @@ s390_collect_crw_info(void *param)
        int ccode;
        struct semaphore *sem;
        unsigned int chain;
+       int ignore;
 
        sem = (struct semaphore *)param;
 repeat:
-       down_interruptible(sem);
+       ignore = down_interruptible(sem);
        chain = 0;
        while (1) {
                if (unlikely(chain > 1)) {