staging: erofs: Replace NULL comparisons

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>

diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c
index de00680b4ed75593c8c81c9102554cbecdd44c95..40766519b443639cb456496f3ac5fcf0e47c9b4e 100644 (file)
--- a/drivers/staging/erofs/super.c
+++ b/drivers/staging/erofs/super.c
@@ -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);