dma-fence: Fix reference leak on fence merge failure path

BugLink: https://bugs.launchpad.net/bugs/2102118

commit 949291c5314009b4f6e252391edbb40fdd5d5414 upstream.

Release all fence references if the output dma-fence-array could not be
allocated.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: 245a4a7b53 ("dma-buf: generalize dma_fence unwrap & merging v3")
Cc: Christian König <christian.koenig@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Friedrich Vock <friedrich.vock@gmx.de>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: <stable@vger.kernel.org> # v6.0+
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241115102153.1980-2-tursulin@igalia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

This commit is contained in:

Tvrtko Ursulin

2025-03-12 22:51:00 +09:00

committed by

Stefan Bader

parent c0dfcad9d0

commit 93d297a856

1 changed files with 2 additions and 0 deletions

									
										drivers/dma-buf/dma-fence-unwrap.c
									
		+2
		
												View File
												
				@@ -164,6 +164,8 @@ restart:

									dma_fence_context_alloc(1),

									1, false);

					if (!result) {

						for (i = 0; i < count; i++)

							dma_fence_put(array[i]);

						tmp = NULL;

						goto return_tmp;

					}