Do not allocate memory with GFP_KERNEL when holding a spin_lock, it may sleep. Use GFP_NOWAIT instead. Fixes: 950fd867c635 ("staging: bcm2835-camera: Replace open-coded idr with a struct idr.") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c index 16af735af5c3..438d548c6e24 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c @@ -186,7 +186,7 @@ get_msg_context(struct vchiq_mmal_instance *instance) */ spin_lock(&instance->context_map_lock); handle = idr_alloc(&instance->context_map, msg_context, - 0, 0, GFP_KERNEL); + 0, 0, GFP_NOWAIT); spin_unlock(&instance->context_map_lock); if (handle < 0) { -- 2.20.1