staging: lustre: obdclass: remove unused variable

Author: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>

This patch removes a variable that was simply used to
store the return value of a function call before
returning it.

The issue was detected and resolved using the following
coccinelle script:

@@
identifier len,f;
@@

-int len;
 ... when != len
     when strict
-len =
+return
        f(...);
-return len;

Signed-off-by: Aya Mahfouz 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/lustre/lustre/obdclass/lu_object.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
 
diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c
index 83bf168..e104662 100644
--- a/drivers/staging/lustre/lustre/obdclass/lu_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c
@@ -1769,8 +1769,6 @@ EXPORT_SYMBOL(lu_env_refill);
 int lu_env_refill_by_tags(struct lu_env *env, __u32 ctags,
 			  __u32 stags)
 {
-	int    result;
-
 	if ((env->le_ctx.lc_tags & ctags) != ctags) {
 		env->le_ctx.lc_version = 0;
 		env->le_ctx.lc_tags |= ctags;
@@ -1781,9 +1779,7 @@ int lu_env_refill_by_tags(struct lu_env *env, __u32 ctags,
 		env->le_ses->lc_tags |= stags;
 	}
 
-	result = lu_env_refill(env);
-
-	return result;
+	return lu_env_refill(env);
 }
 EXPORT_SYMBOL(lu_env_refill_by_tags);
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