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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-03 08:08:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-03 08:08:21 -0800
commit60f8a8d4c6c46bb080e8e65d30be31b172a39a78 (patch)
treed8fcf72ba13cb4a78b4457e869b7260c1ac7fe46 /fs
parentb037bba71bca77c7247e7c2079f227ad7b961c34 (diff)
parentb2d82ee3c8b2193ee5bc7eca4687ee9be30abd34 (diff)
downloadconfigs-60f8a8d4c6c46bb080e8e65d30be31b172a39a78.tar.gz
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_...()
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/dev.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 51d9e33d634..eb7e9423691 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -865,13 +865,10 @@ static int fuse_notify_inval_inode(struct fuse_conn *fc, unsigned int size,
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 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
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 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
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;
}