diff options
| author |   kernel test robot <lkp@intel.com> | 2021-03-19 07:44:41 +0800 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-03-29 13:22:17 +1100 |
| commit | bbbe563f8490958861777d98871e16960163ea1b (patch) | |
| tree | ab8d863aa8e6e59b335c7109fb15eebc5e80327b /arch/powerpc | |
| parent | powerpc: Fix arch_stack_walk() to have running function as first entry (diff) | |
| download | linux-dev-bbbe563f8490958861777d98871e16960163ea1b.tar.xz linux-dev-bbbe563f8490958861777d98871e16960163ea1b.zip | |
powerpc/iommu/debug: fix ifnullfree.cocci warnings
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")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210318234441.GA63469@f8e20a472e81
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index c00214a4355c..216871414434 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){} |