dma-buf: fix resource leak on -ENOTTY error return path
authorColin Ian King <colin.king@canonical.com>
Mon, 16 Dec 2019 16:10:59 +0000 (16:10 +0000)
committerSumit Semwal <sumit.semwal@linaro.org>
Tue, 17 Dec 2019 16:58:14 +0000 (22:28 +0530)
commitf9d3b2c600075d1f79efcd5cdb1718c2f554c0f9
treefb26ec347045da28cf10ab0c76e442e92b1a6b09
parent8b6fc114beeb9f1a270e5b6d25c30a5143801bf8
dma-buf: fix resource leak on -ENOTTY error return path

The -ENOTTY error return path does not free the allocated
kdata as it returns directly. Fix this by returning via the
error handling label err.

Addresses-Coverity: ("Resource leak")
Fixes: c02a81fba74f ("dma-buf: Add dma-buf heaps framework")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191216161059.269492-1-colin.king@canonical.com
drivers/dma-buf/dma-heap.c