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authorMark Brown <broonie@kernel.org>2016-03-18 09:45:54 +0000
committerMark Brown <broonie@kernel.org>2016-03-18 09:45:54 +0000
commitddbcfcba5fdc56f30e4d02c3bac8cf965502cece (patch)
tree235f05605003ed8dc119ead980cf86157eb695e8 /kernel/irq/handle.c
parentdfabba9c3737ce7a2574dcf58940f038e536e233 (diff)
parent62e21959dc6f25c5fce0c1a0934e4a9d982bf99b (diff)
Merge tag 'v4.4.5' into linux-linaro-lsk-v4.4
This is the 4.4.5 stable release # gpg: Signature made Wed 09 Mar 2016 23:36:03 GMT using RSA key ID 6092693E # gpg: Good signature from "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'kernel/irq/handle.c')
-rw-r--r--kernel/irq/handle.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index a302cf9a2126..57bff7857e87 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -138,7 +138,8 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc)
unsigned int flags = 0, irq = desc->irq_data.irq;
struct irqaction *action = desc->action;
- do {
+ /* action might have become NULL since we dropped the lock */
+ while (action) {
irqreturn_t res;
trace_irq_handler_entry(irq, action);
@@ -173,7 +174,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc)
retval |= res;
action = action->next;
- } while (action);
+ }
add_interrupt_randomness(irq, flags);