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drm/v3d: Fix memory leak in v3d_submit_cl_ioctl 

In the impelementation of v3d_submit_cl_ioctl() there are two memory
leaks. One is when allocation for bin fails, and the other is when bin
initialization fails. If kcalloc fails to allocate memory for bin then
render->base should be put. Also, if v3d_job_init() fails to initialize
bin->base then allocated memory for bin should be released.

Fixes: a783a09ee7 ("drm/v3d: Refactor job management.")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191021185250.26130-1-navid.emamdoost@gmail.com
alistair/sunxi64-5.4-dsi
Navid Emamdoost 2019-10-21 13:52:49 -05:00 committed by Daniel Vetter
parent 4cad2a574d
commit 29cd13cfd7
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/v3d/v3d_gem.c
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@ -557,13 +557,16 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
if (args->bcl_start != args->bcl_end) {
bin = kcalloc(1, sizeof(*bin), GFP_KERNEL);
if (!bin)
if (!bin) {
v3d_job_put(&render->base);
return -ENOMEM;
}
ret = v3d_job_init(v3d, file_priv, &bin->base,
v3d_job_free, args->in_sync_bcl);
if (ret) {
v3d_job_put(&render->base);
kfree(bin);
return ret;
}