[Linaro-mm-sig] [PATCH] dma-buf: Check return value of anon_inode_getfile

anon_inode_getfile might fail, so check its return value.

Signed-off-by: Tuomas Tynkkynen ttynkkynen@nvidia.com --- drivers/base/dma-buf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c index 1219ab7..2d5ac1a 100644 --- a/drivers/base/dma-buf.c +++ b/drivers/base/dma-buf.c @@ -133,7 +133,10 @@ struct dma_buf *dma_buf_export_named(void *priv, const struct dma_buf_ops *ops, dmabuf->exp_name = exp_name;

file = anon_inode_getfile("dmabuf", &dma_buf_fops, dmabuf, flags); - + if (IS_ERR(file)) { + kfree(dmabuf); + return ERR_CAST(file); + } dmabuf->file = file;

mutex_init(&dmabuf->lock);