[PATCH] powerpc/iommu/debug: Remove redundant NULL check

[Jiapeng Chong]

Fix the following coccicheck warnings:

./fs/io_uring.c:5989:4-9: WARNING: NULL check before some freeing
functions is not needed.

Reported-by: Abaci Robot <abaci at linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
---
 arch/powerpc/kernel/iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index c00214a..2168714 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -72,8 +72,7 @@ static void iommu_debugfs_del(struct iommu_table *tbl)
 
 	sprintf(name, "%08lx", tbl->it_index);
 	liobn_entry = debugfs_lookup(name, iommu_debugfs_dir);
-	if (liobn_entry)
-		debugfs_remove(liobn_entry);
+	debugfs_remove(liobn_entry);
 }
 #else
 static void iommu_debugfs_add(struct iommu_table *tbl){}
-- 
1.8.3.1