summaryrefslogtreecommitdiff
path: root/drivers/soc/fsl/qe/qe_ic.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/soc/fsl/qe/qe_ic.c
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/soc/fsl/qe/qe_ic.c')
-rw-r--r--drivers/soc/fsl/qe/qe_ic.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/soc/fsl/qe/qe_ic.c b/drivers/soc/fsl/qe/qe_ic.c
index b77d01ff8..ec2ca864b 100644
--- a/drivers/soc/fsl/qe/qe_ic.c
+++ b/drivers/soc/fsl/qe/qe_ic.c
@@ -259,6 +259,11 @@ static int qe_ic_host_map(struct irq_domain *h, unsigned int virq,
struct qe_ic *qe_ic = h->host_data;
struct irq_chip *chip;
+ if (hw >= ARRAY_SIZE(qe_ic_info)) {
+ pr_err("%s: Invalid hw irq number for QEIC\n", __func__);
+ return -EINVAL;
+ }
+
if (qe_ic_info[hw].mask == 0) {
printk(KERN_ERR "Can't map reserved IRQ\n");
return -EINVAL;
@@ -407,7 +412,8 @@ int qe_ic_set_priority(unsigned int virq, unsigned int priority)
if (priority > 8 || priority == 0)
return -EINVAL;
- if (src > 127)
+ if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
+ "%s: Invalid hw irq number for QEIC\n", __func__))
return -EINVAL;
if (qe_ic_info[src].pri_reg == 0)
return -EINVAL;
@@ -436,6 +442,9 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high)
if (priority > 2 || priority == 0)
return -EINVAL;
+ if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
+ "%s: Invalid hw irq number for QEIC\n", __func__))
+ return -EINVAL;
switch (qe_ic_info[src].pri_reg) {
case QEIC_CIPZCC: