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staging: erofs: Replace NULL comparisons

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Replace all NULL comparisons in the file to get rid of checkpatch
warnings

Signed-off-by: Vatsala Narang <vatsalanarang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vatsala Narang 2019-03-21 05:36:13 +05:30 committed by Greg Kroah-Hartman
parent 0d808cdfe0
commit e2ff9f15e8
1 changed files with 8 additions and 8 deletions
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16
drivers/staging/erofs/super.c
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@ -37,7 +37,7 @@ static int __init erofs_init_inode_cache(void)
SLAB_RECLAIM_ACCOUNT,
init_once);
return erofs_inode_cachep != NULL ? 0 : -ENOMEM;
return erofs_inode_cachep ? 0 : -ENOMEM;
}
static void erofs_exit_inode_cache(void)
@ -50,7 +50,7 @@ static struct inode *alloc_inode(struct super_block *sb)
struct erofs_vnode *vi =
kmem_cache_alloc(erofs_inode_cachep, GFP_KERNEL);
if (vi == NULL)
if (!vi)
return NULL;
/* zero out everything except vfs_inode */
@ -87,7 +87,7 @@ static int superblock_read(struct super_block *sb)
bh = sb_bread(sb, 0);
if (bh == NULL) {
if (!bh) {
errln("cannot read erofs superblock");
return -EIO;
}
@ -338,7 +338,7 @@ static struct inode *erofs_init_managed_cache(struct super_block *sb)
{
struct inode *inode = new_inode(sb);
if (unlikely(inode == NULL))
if (unlikely(!inode))
return ERR_PTR(-ENOMEM);
set_nlink(inode, 1);
@ -370,7 +370,7 @@ static int erofs_read_super(struct super_block *sb,
}
sbi = kzalloc(sizeof(struct erofs_sb_info), GFP_KERNEL);
if (unlikely(sbi == NULL)) {
if (unlikely(!sbi)) {
err = -ENOMEM;
goto err;
}
@ -434,14 +434,14 @@ static int erofs_read_super(struct super_block *sb,
}
sb->s_root = d_make_root(inode);
if (sb->s_root == NULL) {
if (!sb->s_root) {
err = -ENOMEM;
goto err_iget;
}
/* save the device name to sbi */
sbi->dev_name = __getname();
if (sbi->dev_name == NULL) {
if (!sbi->dev_name) {
err = -ENOMEM;
goto err_devname;
}
@ -484,7 +484,7 @@ static void erofs_put_super(struct super_block *sb)
struct erofs_sb_info *sbi = EROFS_SB(sb);
/* for cases which are failed in "read_super" */
if (sbi == NULL)
if (!sbi)
return;
WARN_ON(sb->s_magic != EROFS_SUPER_MAGIC);