* [PATCH RESEND 1/2] powerpc/via-pmu: fix error path in find_via_pmu()
@ 2014-12-08 1:57 Aaro Koskinen
2014-12-08 1:57 ` [PATCH RESEND 2/2] powerpc/via-pmu: fix OF node leak in Keylargo init Aaro Koskinen
0 siblings, 1 reply; 2+ messages in thread
From: Aaro Koskinen @ 2014-12-08 1:57 UTC (permalink / raw)
To: Benjamin Herrenschmidt, linuxppc-dev, Phil Carmody; +Cc: Aaro Koskinen
From: Phil Carmody <pc+lkml@asdf.org>
Cleanup was not in the reverse order from the set-up, so not all
the gotos made sense, and also it was being avoided completely upon
failure of init_pmu().
Signed-off-by: Phil Carmody <pc+lkml@asdf.org>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
drivers/macintosh/via-pmu.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index dee88e5..6221235 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -332,7 +332,7 @@ int __init find_via_pmu(void)
}
if (gpio_reg == NULL) {
printk(KERN_ERR "via-pmu: Can't find GPIO reg !\n");
- goto fail_gpio;
+ goto fail;
}
} else
pmu_kind = PMU_UNKNOWN;
@@ -340,7 +340,7 @@ int __init find_via_pmu(void)
via = ioremap(taddr, 0x2000);
if (via == NULL) {
printk(KERN_ERR "via-pmu: Can't map address !\n");
- goto fail;
+ goto fail_via_remap;
}
out_8(&via[IER], IER_CLR | 0x7f); /* disable all intrs */
@@ -348,10 +348,8 @@ int __init find_via_pmu(void)
pmu_state = idle;
- if (!init_pmu()) {
- via = NULL;
- return 0;
- }
+ if (!init_pmu())
+ goto fail_init;
printk(KERN_INFO "PMU driver v%d initialized for %s, firmware: %02x\n",
PMU_DRIVER_VERSION, pbook_type[pmu_kind], pmu_version);
@@ -359,11 +357,15 @@ int __init find_via_pmu(void)
sys_ctrler = SYS_CTRLER_PMU;
return 1;
- fail:
- of_node_put(vias);
+
+ fail_init:
+ iounmap(via);
+ via = NULL;
+ fail_via_remap:
iounmap(gpio_reg);
gpio_reg = NULL;
- fail_gpio:
+ fail:
+ of_node_put(vias);
vias = NULL;
return 0;
}
--
2.2.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH RESEND 2/2] powerpc/via-pmu: fix OF node leak in Keylargo init
2014-12-08 1:57 [PATCH RESEND 1/2] powerpc/via-pmu: fix error path in find_via_pmu() Aaro Koskinen
@ 2014-12-08 1:57 ` Aaro Koskinen
0 siblings, 0 replies; 2+ messages in thread
From: Aaro Koskinen @ 2014-12-08 1:57 UTC (permalink / raw)
To: Benjamin Herrenschmidt, linuxppc-dev, Phil Carmody; +Cc: Aaro Koskinen
From: Phil Carmody <pc+lkml@asdf.org>
If we of_find_node_by_name() then we must of_node_put() too.
Signed-off-by: Phil Carmody <pc+lkml@asdf.org>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
drivers/macintosh/via-pmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 6221235..aed3cb0 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -329,6 +329,7 @@ int __init find_via_pmu(void)
gaddr = of_translate_address(gpiop, reg);
if (gaddr != OF_BAD_ADDR)
gpio_reg = ioremap(gaddr, 0x10);
+ of_node_put(gpiop);
}
if (gpio_reg == NULL) {
printk(KERN_ERR "via-pmu: Can't find GPIO reg !\n");
--
2.2.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2014-12-08 2:04 UTC | newest]
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2014-12-08 1:57 [PATCH RESEND 1/2] powerpc/via-pmu: fix error path in find_via_pmu() Aaro Koskinen
2014-12-08 1:57 ` [PATCH RESEND 2/2] powerpc/via-pmu: fix OF node leak in Keylargo init Aaro Koskinen
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