hfsplus: handle match_strdup failure

fs/hfsplus/options.c (hfsplus_parse_options): Handle match_strdup failure.

Signed-off-by: Jim Meyering <meyering@redhat.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
index dc64fac008315092a6d878e5df8634735ea3bbb8..9997cbf8beb50ece6abfa28dc18f3223037eab01 100644 (file)
--- a/fs/hfsplus/options.c
+++ b/fs/hfsplus/options.c
@@ -132,7 +132,8 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
                                return 0;
                        }
                        p = match_strdup(&args[0]);
-                       sbi->nls = load_nls(p);
+                       if (p)
+                               sbi->nls = load_nls(p);
                        if (!sbi->nls) {
                                printk(KERN_ERR "hfs: unable to load nls mapping \"%s\"\n", p);
                                kfree(p);