[LTP] semop/semop04.c: fix a bug when running with -i option

[Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>]

semop/semop04.c: fix a bug when running with -i option

If we run semop04 like this: ./semop04 -i 2,
its output will be:

semop04     1  TPASS  :  expected failure - errno = 11 : Resource temporarily unavailable
semop04     2  TPASS  :  expected failure - errno = 11 : Resource temporarily unavailable
semop04     1  TBROK  :  semctl() failed
semop04     2  TBROK  :  Remaining cases broken.

Actually in the second iteration, semctl will return ERANGE. This is
because the val variable will be less than zero in the sceond iteration.

Variable should be reset to 1 before this actual errno test.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
---
 testcases/kernel/syscalls/ipc/semop/semop04.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/ipc/semop/semop04.c b/testcases/kernel/syscalls/ipc/semop/semop04.c
index 2725378..f7efd86 100644
--- a/testcases/kernel/syscalls/ipc/semop/semop04.c
+++ b/testcases/kernel/syscalls/ipc/semop/semop04.c
@@ -80,7 +80,7 @@ int main(int ac, char **av)
 {
 	int lc;
 	char *msg;
-	int val = 1;		/* value for SETVAL */
+	int val;		/* value for SETVAL */
 
 	int i;
 
@@ -96,6 +96,7 @@ int main(int ac, char **av)
 		/* reset tst_count in case we are looping */
 		tst_count = 0;
 
+		val = 1;
 		for (i = 0; i < TST_TOTAL; i++) {
 
 			/* initialize the s_buf buffer */
-- 
1.8.2.1


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