6.17-stable review patch. If anyone has any objections, please let me know.
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From: Jani Nikula jani.nikula@intel.com
[ Upstream commit 6979d2c80c2a5b1f04157c4d6eb038bb32861cfa ]
It's sketchy to pass error pointers via to_intel_framebuffer(). It probably works as long as struct intel_framebuffer embeds struct drm_framebuffer at offset 0, but be explicit about it.
Reviewed-by: Ville Syrjälä ville.syrjala@linux.intel.com Link: https://lore.kernel.org/r/17631db227d527d6c67f5d6b67adec1ff8dc6f8d.175818477... Signed-off-by: Jani Nikula jani.nikula@intel.com Stable-dep-of: 460b31720369 ("drm/i915/fbdev: Hold runtime PM ref during fbdev BO creation") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/i915/display/intel_fbdev_fb.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c index 210aee9ae88b8..b9dfd00a7d05b 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c @@ -67,9 +67,16 @@ struct intel_framebuffer *intel_fbdev_fb_alloc(struct drm_fb_helper *helper, mode_cmd.pixel_format, mode_cmd.modifier[0]), &mode_cmd); + if (IS_ERR(fb)) { + i915_gem_object_put(obj); + goto err; + } + i915_gem_object_put(obj);
return to_intel_framebuffer(fb); +err: + return ERR_CAST(fb); }
int intel_fbdev_fb_fill_info(struct intel_display *display, struct fb_info *info,