From: Ben Tucker <[email protected]>
This patch fixes a problem with map_dispc_register_isr() where it
fails to return -EBUSY if it has no more space for registrations.
---
drivers/video/omap2/dss/dispc.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index e0e8275..f566177 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -2579,6 +2579,10 @@ int omap_dispc_register_isr(omap_dispc_isr_t isr, void
*arg, u32 mask)
break;
}
+ if (ret) {
+ goto err;
+ }
+
_omap_dispc_set_irqs();
spin_unlock_irqrestore(&dispc.irq_lock, flags);
--
1.7.3.2
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