Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix large stack use
fuse: cleanup in fuse_notify_inval_...()
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 51d9e33..eb7e942 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -865,13 +865,10 @@
down_read(&fc->killsb);
err = -ENOENT;
- if (!fc->sb)
- goto err_unlock;
-
- err = fuse_reverse_inval_inode(fc->sb, outarg.ino,
- outarg.off, outarg.len);
-
-err_unlock:
+ if (fc->sb) {
+ err = fuse_reverse_inval_inode(fc->sb, outarg.ino,
+ outarg.off, outarg.len);
+ }
up_read(&fc->killsb);
return err;
@@ -884,10 +881,15 @@
struct fuse_copy_state *cs)
{
struct fuse_notify_inval_entry_out outarg;
- int err = -EINVAL;
- char buf[FUSE_NAME_MAX+1];
+ int err = -ENOMEM;
+ char *buf;
struct qstr name;
+ buf = kzalloc(FUSE_NAME_MAX + 1, GFP_KERNEL);
+ if (!buf)
+ goto err;
+
+ err = -EINVAL;
if (size < sizeof(outarg))
goto err;
@@ -910,16 +912,14 @@
down_read(&fc->killsb);
err = -ENOENT;
- if (!fc->sb)
- goto err_unlock;
-
- err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);
-
-err_unlock:
+ if (fc->sb)
+ err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);
up_read(&fc->killsb);
+ kfree(buf);
return err;
err:
+ kfree(buf);
fuse_copy_finish(cs);
return err;
}