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authorMarkus Elfring <elfring@users.sourceforge.net>2014-11-18 18:29:10 +0100
committerJan Kara <jack@suse.cz>2014-11-19 21:56:06 +0100
commitfdf2657bc81b10dee856ec9f8fe5b201c0561e9d (patch)
treeaa18d17b2dc3153080b0aa5f864d467992e52c59 /fs/udf
parent0d454e4a443178863f858cdafac870ceb1989407 (diff)
downloadlinux-fdf2657bc81b10dee856ec9f8fe5b201c0561e9d.tar.gz
udf: One function call less in udf_fill_super() after error detection
The iput() function was called in up to three cases by the udf_fill_super()
function during error handling even if the passed data structure element
contained still a null pointer. This implementation detail could be improved
by the introduction of another jump label.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/super.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index f93c65d6c7d9..3ccb2f11fc76 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2082,12 +2082,12 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	mutex_init(&sbi->s_alloc_mutex);
 
 	if (!udf_parse_options((char *)options, &uopt, false))
-		goto error_out;
+		goto parse_options_failure;
 
 	if (uopt.flags & (1 << UDF_FLAG_UTF8) &&
 	    uopt.flags & (1 << UDF_FLAG_NLS_MAP)) {
 		udf_err(sb, "utf8 cannot be combined with iocharset\n");
-		goto error_out;
+		goto parse_options_failure;
 	}
 #ifdef CONFIG_UDF_NLS
 	if ((uopt.flags & (1 << UDF_FLAG_NLS_MAP)) && !uopt.nls_map) {
@@ -2238,6 +2238,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 
 error_out:
 	iput(sbi->s_vat_inode);
+parse_options_failure:
 #ifdef CONFIG_UDF_NLS
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
 		unload_nls(sbi->s_nls_map);