From: Latchesar Ionkov Date: Fri, 3 Feb 2006 11:04:17 +0000 (-0800) Subject: [PATCH] v9fs: symlink support fixes X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=93c615feffbcea4f09ecee154f46062f6041776e;p=openwrt%2Fstaging%2Fblogic.git [PATCH] v9fs: symlink support fixes Two symlink fixes, v9fs_readlink didn't copy the last character of the symlink name, v9fs_vfs_follow_link incorrectly called strlen of newly allocated buffer instead of PATH_MAX. Signed-off-by: Latchesar Ionkov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 91f552454c76..63e5b0398e8b 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -886,8 +886,8 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen) } /* copy extension buffer into buffer */ - if (fcall->params.rstat.stat.extension.len < buflen) - buflen = fcall->params.rstat.stat.extension.len; + if (fcall->params.rstat.stat.extension.len+1 < buflen) + buflen = fcall->params.rstat.stat.extension.len + 1; memcpy(buffer, fcall->params.rstat.stat.extension.str, buflen - 1); buffer[buflen-1] = 0; @@ -951,7 +951,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd) if (!link) link = ERR_PTR(-ENOMEM); else { - len = v9fs_readlink(dentry, link, strlen(link)); + len = v9fs_readlink(dentry, link, PATH_MAX); if (len < 0) { __putname(link);