Fix of 7 `CHECK: Comparison to NULL could be written ...` issues.
Signed-off-by: Aaron Strahlberger <aaron.strahlberger@xxxxxxxxx>
Signed-off-by: Julius Wiedmann <julius.wiedmann@xxxxxx>
Signed-off-by: Dominik Huber <domi250@xxxxxx>
---
drivers/staging/erofs/data.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/staging/erofs/data.c b/drivers/staging/erofs/data.c
index d1c0a7be6eb8..5a55f0bfdfbb 100644
--- a/drivers/staging/erofs/data.c
+++ b/drivers/staging/erofs/data.c
@@ -53,7 +53,7 @@ struct page *__erofs_get_meta_page(struct super_block *sb,
repeat:
page = find_or_create_page(mapping, blkaddr, gfp);
- if (unlikely(page == NULL)) {
+ if (unlikely(!page)) {
DBG_BUGON(nofail);
return ERR_PTR(-ENOMEM);
}
@@ -167,16 +167,17 @@ static int erofs_map_blocks_flatmode(struct inode *inode,
#ifdef CONFIG_EROFS_FS_ZIP
extern int z_erofs_map_blocks_iter(struct inode *,
- struct erofs_map_blocks *, struct page **, int);
+ struct erofs_map_blocks *,
+ struct page **, int);
#endif
int erofs_map_blocks_iter(struct inode *inode,
- struct erofs_map_blocks *map,
- struct page **mpage_ret, int flags)
+ struct erofs_map_blocks *map,
+ struct page **mpage_ret, int flags)
{
/* by default, reading raw data never use erofs_map_blocks_iter */
if (unlikely(!is_inode_layout_compression(inode))) {
- if (*mpage_ret != NULL)
+ if (*mpage_ret)
put_page(*mpage_ret);
*mpage_ret = NULL;
@@ -231,15 +232,15 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
}
/* note that for readpage case, bio also equals to NULL */
- if (bio != NULL &&
- /* not continuous */
- *last_block + 1 != current_block) {
+ if (bio &&
+ /* not continuous */
+ *last_block + 1 != current_block) {
submit_bio_retry:
__submit_bio(bio, REQ_OP_READ, 0);
bio = NULL;
}
- if (bio == NULL) {
+ if (!bio) {
struct erofs_map_blocks map = {
.m_la = blknr_to_addr(current_block),
};
@@ -341,7 +342,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
unlock_page(page);
/* if updated manually, continuous pages has a gap */
- if (bio != NULL)
+ if (bio)
submit_bio_out:
__submit_bio(bio, REQ_OP_READ, 0);
@@ -407,7 +408,7 @@ static int erofs_raw_access_readpages(struct file *filp,
DBG_BUGON(!list_empty(pages));
/* the rare case (end in gaps) */
- if (unlikely(bio != NULL))
+ if (unlikely(bio))
__submit_bio(bio, REQ_OP_READ, 0);
return 0;
}
--
2.19.2
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