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authorWei Yongjun <weiyongjun1@huawei.com>2018-03-20 14:20:30 +0000
committerNeil Armstrong <narmstrong@baylibre.com>2018-03-20 17:15:40 +0100
commitacaa3f13b8dd77da3c6c0fe18cb1159eef7ea286 (patch)
tree0062ecc7d7aabc995ae2c976bd0afea09c50e279 /drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h
parentddc389f5a4abb4c0c91202cd6dc09a28b9e2d82c (diff)
drm/meson: Fix potential NULL dereference in meson_drv_bind_master()
platform_get_resource_byname() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference a bit later in the code. This is detected by Coccinelle semantic patch. @@ expression pdev, res, n, t, e, e1, e2; @@ res = platform_get_resource_byname(pdev, t, n); + if (!res) + return -EINVAL; ... when != res == NULL e = devm_ioremap(e1, res->start, e2); Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/1521555630-29284-1-git-send-email-weiyongjun1@huawei.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h')
0 files changed, 0 insertions, 0 deletions