[PATCH] mm: compaction.c: Propagate return value upstream

[Aditya Pakki]

In sysctl_extfrag_handler(), proc_dointvec_minmax() can return an
error. The fix propagates the error upstream in case of failure.

Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
 mm/compaction.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 7c607479de4a..d108974d0867 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1879,9 +1879,7 @@ int sysctl_compaction_handler(struct ctl_table *table, 
int write,
 int sysctl_extfrag_handler(struct ctl_table *table, int write,
                        void __user *buffer, size_t *length, loff_t *ppos)
 {
-       proc_dointvec_minmax(table, write, buffer, length, ppos);
-
-       return 0;
+       return proc_dointvec_minmax(table, write, buffer, length, ppos);
 }
 
 #if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
-- 
2.17.1