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c9a3ad25ed
display_timings_release calls kfree on the display_timings object passed to it. Calling kfree after it is wrong. SLUB debug showed the following warning: ============================================================================= BUG kmalloc-64 (Tainted: G W ): Object already free ----------------------------------------------------------------------------- Disabling lock debugging due to kernel taint INFO: Allocated in of_get_display_timings+0x2c/0x214 age=601 cpu=0 pid=884 __slab_alloc.constprop.79+0x2e0/0x33c kmem_cache_alloc+0xac/0xdc of_get_display_timings+0x2c/0x214 panel_probe+0x7c/0x314 [tilcdc] platform_drv_probe+0x18/0x48 [..snip..] INFO: Freed in panel_destroy+0x18/0x3c [tilcdc] age=0 cpu=0 pid=907 __slab_free+0x34/0x330 panel_destroy+0x18/0x3c [tilcdc] tilcdc_unload+0xd0/0x118 [tilcdc] drm_dev_unregister+0x24/0x98 [..snip..] Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar> Tested-by: Darren Etheridge <detheridge@ti.com> Cc: <stable@vger.kernel.org> #v3.9+ Signed-off-by: Dave Airlie <airlied@redhat.com> |
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