ext4: don't scan/accumulate more pages than mballoc will allocate

[safe/jmp/linux-2.6] / fs / affs / namei.c

diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 960d336..d70bbba 100644 (file)
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -341,10 +341,13 @@ affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
        p  = (char *)AFFS_HEAD(bh)->table;
        lc = '/';
        if (*symname == '/') {
+               struct affs_sb_info *sbi = AFFS_SB(sb);
                while (*symname == '/')
                        symname++;
-               while (AFFS_SB(sb)->s_volume[i])        /* Cannot overflow */
-                       *p++ = AFFS_SB(sb)->s_volume[i++];
+               spin_lock(&sbi->symlink_lock);
+               while (sbi->s_volume[i])        /* Cannot overflow */
+                       *p++ = sbi->s_volume[i++];
+               spin_unlock(&sbi->symlink_lock);
        }
        while (i < maxlen && (c = *symname++)) {
                if (c == '.' && lc == '/' && *symname == '.' && symname[1] == '/') {