From: kernel test robot <l...@intel.com>
arch/powerpc/kernel/iommu.c:76:2-16: WARNING: NULL check before some freeing
functions is not needed.
NULL check before some freeing functions is not needed.
Based on checkpatch warning
"kfree(NULL) is safe this check is probably not required"
and kfreeaddr.cocci by Julia Lawall.
Generated by: scripts/coccinelle/free/ifnullfree.cocci
Fixes: 691602aab9c3 ("powerpc/iommu/debug: Add debugfs entries for IOMMU
tables")
CC: Alexey Kardashevskiy <a...@ozlabs.ru>
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: kernel test robot <l...@intel.com>
---
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 81aa0968b7ea6dbabcdcda37dc8434dca6e1565b
commit: 691602aab9c3cce31d3ff9529c09b7922a5f6224 powerpc/iommu/debug: Add
debugfs entries for IOMMU tables
iommu.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -72,8 +72,7 @@ static void iommu_debugfs_del(struct iom
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){}
