[PATCH] sdcardfs: fix itnull.cocci warnings

[Julia Lawall]

Remove NULL tests, as the index variable of list_for_each_entry cannot be 
NULL.

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
---

The code seems to have a lot of unnecessary braces as well.

tree:   https://android.googlesource.com/kernel/common android-4.4
head:   f06e869f936e548fd3fd78ddcbebe171f0defadb
commit: 1e2d3bbcf3f5a603e62dfa0514a43e13ee679d4f [4/6] sdcardfs: Bring up 
to date with Android M permissions:

 packagelist.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/sdcardfs/packagelist.c
+++ b/fs/sdcardfs/packagelist.c
@@ -160,7 +160,7 @@ static int insert_str_to_int(struct pack
 	mutex_unlock(&pkgl_dat->hashtable_lock);
 
 	list_for_each_entry(sbinfo, &sdcardfs_super_list, list) {
-		if (sbinfo) {
+		{
 			fixup_perms(sbinfo->sb);
 		}
 	}
@@ -189,7 +189,7 @@ static void remove_str_to_int(struct pac
 	}
 	mutex_unlock(&pkgl_dat->hashtable_lock);
 	list_for_each_entry(sbinfo, &sdcardfs_super_list, list) {
-		if (sbinfo) {
+		{
 			fixup_perms(sbinfo->sb);
 		}
 	}