diff options
Diffstat (limited to 'patches.tizen/0533-dma-buf-return-POLLIN-POLLOUT-instead-of-POLLERR.patch')
| -rw-r--r-- | patches.tizen/0533-dma-buf-return-POLLIN-POLLOUT-instead-of-POLLERR.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/patches.tizen/0533-dma-buf-return-POLLIN-POLLOUT-instead-of-POLLERR.patch b/patches.tizen/0533-dma-buf-return-POLLIN-POLLOUT-instead-of-POLLERR.patch new file mode 100644 index 00000000000..05db4a0bb01 --- /dev/null +++ b/patches.tizen/0533-dma-buf-return-POLLIN-POLLOUT-instead-of-POLLERR.patch @@ -0,0 +1,36 @@ +From 441dba5b258fa05e375d623f598a073ab40f253c Mon Sep 17 00:00:00 2001 +From: Inki Dae <inki.dae@samsung.com> +Date: Tue, 13 Aug 2013 13:47:57 +0900 +Subject: [PATCH 0533/1302] dma-buf: return POLLIN | POLLOUT instead of POLLERR + +It's not error if a dmabuf wasn't locked when select is called but +rather that means there is no anyone accessing the dmabuf so return +POLLIN | POLLOUT. + +Signed-off-by: Inki Dae <inki.dae@samsung.com> +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/base/dma-buf.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c +index 53ade7b..e2e35ed 100644 +--- a/drivers/base/dma-buf.c ++++ b/drivers/base/dma-buf.c +@@ -113,11 +113,11 @@ static unsigned int dma_buf_poll(struct file *filp, + } + + /* +- * There is no anyone accessing this buffer so just return POLLERR. ++ * There is no anyone accessing this buffer so just return. + */ + if (!robj->locked) { + mutex_unlock(&robj->lock); +- return POLLERR; ++ return POLLIN | POLLOUT; + } + + poll_wait(filp, &robj->poll_wait, poll); +-- +1.8.3.2 + |