adfs: fix filename handling

Fix filenames on adfs discs being terminated at the first character greater
than 128 (adfs filenames are Latin 1).  I saw this problem when using a
loopback adfs image on a 2.6.17-rc5 x86_64 machine, and the patch fixed it
there.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c
index bbfc862592721fe4b79d8f60c36a13386f6c1269..b9b2b27b68c30f3dd97a7717d0f557e5f3f9615d 100644 (file)
--- a/fs/adfs/dir_f.c
+++ b/fs/adfs/dir_f.c
@@ -53,7 +53,7 @@ static inline int adfs_readname(char *buf, char *ptr, int maxlen)
 {
        char *old_buf = buf;
 
-       while (*ptr >= ' ' && maxlen--) {
+       while ((unsigned char)*ptr >= ' ' && maxlen--) {
                if (*ptr == '/')
                        *buf++ = '.';
                else