[PATCH] hfs: handle match_strdup failure

[Jim Meyering]

* fs/hfs/super.c (parse_options): Handle match_strdup failure, twice.

Signed-off-by: Jim Meyering <meyering@xxxxxxxxxx>
---
 fs/hfs/super.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 32de44e..8cf6797 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -297,7 +297,8 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
 				return 0;
 			}
 			p = match_strdup(&args[0]);
-			hsb->nls_disk = load_nls(p);
+			if (p)
+				hsb->nls_disk = load_nls(p);
 			if (!hsb->nls_disk) {
 				printk(KERN_ERR "hfs: unable to load codepage \"%s\"\n", p);
 				kfree(p);
@@ -311,7 +312,8 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
 				return 0;
 			}
 			p = match_strdup(&args[0]);
-			hsb->nls_io = load_nls(p);
+			if (p)
+				hsb->nls_io = load_nls(p);
 			if (!hsb->nls_io) {
 				printk(KERN_ERR "hfs: unable to load iocharset \"%s\"\n", p);
 				kfree(p);
-- 
1.5.4.2.134.g82883

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