udf: Deletion of unnecessary checks before the function call "iput"

The iput() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

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

diff --git a/fs/udf/super.c b/fs/udf/super.c
index e229315..f93c65d 100644 (file)
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2237,8 +2237,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
        return 0;
 
 error_out:
-       if (sbi->s_vat_inode)
-               iput(sbi->s_vat_inode);
+       iput(sbi->s_vat_inode);
 #ifdef CONFIG_UDF_NLS
        if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
                unload_nls(sbi->s_nls_map);
@@ -2291,8 +2290,7 @@ static void udf_put_super(struct super_block *sb)
 
        sbi = UDF_SB(sb);
 
-       if (sbi->s_vat_inode)
-               iput(sbi->s_vat_inode);
+       iput(sbi->s_vat_inode);
 #ifdef CONFIG_UDF_NLS
        if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
                unload_nls(sbi->s_nls_map);