Commit bbbe563f authored by kernel test robot's avatar kernel test robot Committed by Michael Ellerman
Browse files

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: 691602aa ("powerpc/iommu/debug: Add debugfs entries for IOMMU tables")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210318234441.GA63469@f8e20a472e81
parent a2308836

arch/powerpc/kernel/iommu.c

+1 −2
Original line number Diff line number Diff line
@@ -72,7 +72,6 @@ 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);

}

#else