fs-udf: Adjust two checks for null pointers

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The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !…

Thus fix affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 462ac2e9258c..2c0844fae808 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -324,7 +324,8 @@ static void udf_sb_free_partitions(struct super_block *sb)
 {
         struct udf_sb_info *sbi = UDF_SB(sb);
         int i;
-        if (sbi->s_partmaps == NULL)
+
+        if (!sbi->s_partmaps)
                 return;
         for (i = 0; i < sbi->s_partitions; i++)
                 udf_free_partition(&sbi->s_partmaps[i]);
@@ -1071,7 +1072,7 @@ static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
         else
                 bitmap = vzalloc(size); /* TODO: get rid of vzalloc */
 
-        if (bitmap == NULL)
+        if (!bitmap)
                 return NULL;
 
         bitmap->s_nr_groups = nr_groups;