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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2009-04-20 18:18:43 (GMT)
committerGrant Likely <grant.likely@secretlab.ca>2009-04-20 18:18:43 (GMT)
commit6d25b688ecc488753af3c9e6f6a9a575b863cf37 (patch)
treea224acb81c9fc52ed573bb956fea6693420e5989 /arch/powerpc/kernel/prom_parse.c
parent8db70d3deee33e661d091b3e317fccc87bf0975d (diff)
downloadlinux-fsl-qoriq-6d25b688ecc488753af3c9e6f6a9a575b863cf37.tar.xz
powerpc: Fix of_node_put() exit path in of_irq_map_one()
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
-rw-r--r--arch/powerpc/kernel/prom_parse.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 8f0856f..8362620 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -971,7 +971,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
struct device_node *p;
const u32 *intspec, *tmp, *addr;
u32 intsize, intlen;
- int res;
+ int res = -EINVAL;
DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
@@ -995,21 +995,20 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
/* Get size of interrupt specifier */
tmp = of_get_property(p, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- of_node_put(p);
- return -EINVAL;
- }
+ if (tmp == NULL)
+ goto out;
intsize = *tmp;
DBG(" intsize=%d intlen=%d\n", intsize, intlen);
/* Check index */
if ((index + 1) * intsize > intlen)
- return -EINVAL;
+ goto out;
/* Get new specifier and map it */
res = of_irq_map_raw(p, intspec + index * intsize, intsize,
addr, out_irq);
+out:
of_node_put(p);
return res;
}