[PATCH 3/3] fs-udf: Adjust two checks for null pointers

From: SF Markus Elfring
Date: Tue Aug 15 2017 - 11:39:38 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 15 Aug 2017 17:03:06 +0200
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The script âcheckpatch.plâ pointed information out like the following.

Comparison to NULL could be written !â

Thus fix affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
fs/udf/super.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 0dc7c2d9f0fa..93c59630512b 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -321,7 +321,8 @@ 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]);
@@ -1068,7 +1069,7 @@ 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;
--
2.14.0