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powerpc/spufs: add a missing mutex_unlock

A mutex_unlock(&gang->aff_mutex) in spufs_create_context() is missing
in case spufs_context_open() fails.  As a result, spu_create syscall
and spu_get_idle() may block.

This patch adds the mutex_unlock.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Andre Detsch <adetsch@br.ibm.com>
master
Kou Ishizaki 13 years ago
committed by Jeremy Kerr
parent
commit
6747c2ee8a
  1. 2
      arch/powerpc/platforms/cell/spufs/inode.c

2
arch/powerpc/platforms/cell/spufs/inode.c

@ -496,6 +496,8 @@ spufs_create_context(struct inode *inode, struct dentry *dentry,
ret = spufs_context_open(dget(dentry), mntget(mnt));
if (ret < 0) {
WARN_ON(spufs_rmdir(inode, dentry));
if (affinity)
mutex_unlock(&gang->aff_mutex);
mutex_unlock(&inode->i_mutex);
spu_forget(SPUFS_I(dentry->d_inode)->i_ctx);
goto out;

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