summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/control.c
diff options
context:
space:
mode:
authorWang Qing <wangqing@vivo.com>2021-12-13 10:42:24 +0100
committerTony Lindgren <tony@atomide.com>2022-04-21 13:47:15 +0200
commit883f464c1d23663047eda4f2bcf622365e2d0dd0 (patch)
tree3f95b562f739e90ed02ea48ea451c2e7792eb378 /arch/arm/mach-omap2/control.c
parentiommu/omap: Fix regression in probe for NULL pointer dereference (diff)
downloadlinux-883f464c1d23663047eda4f2bcf622365e2d0dd0.tar.xz
linux-883f464c1d23663047eda4f2bcf622365e2d0dd0.zip
ARM: OMAP2+: add missing of_node_put before break and return
Fix following coccicheck warning: WARNING: Function "for_each_matching_node_and_match" should have of_node_put() before return. Early exits from for_each_matching_node_and_match should decrement the node reference counter. Signed-off-by: Wang Qing <wangqing@vivo.com> Message-Id: <1639388545-63615-1-git-send-email-wangqing@vivo.com> [tony@atomide.com: updated for omap_hwmod.c that was already patched] Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/control.c')
-rw-r--r--arch/arm/mach-omap2/control.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 062d431fc33a..c514a9602269 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -769,8 +769,10 @@ int __init omap2_control_base_init(void)
data = (struct control_init_data *)match->data;
mem = of_iomap(np, 0);
- if (!mem)
+ if (!mem) {
+ of_node_put(np);
return -ENOMEM;
+ }
if (data->index == TI_CLKM_CTRL) {
omap2_ctrl_base = mem;
@@ -810,22 +812,24 @@ int __init omap_control_init(void)
if (scm_conf) {
syscon = syscon_node_to_regmap(scm_conf);
- if (IS_ERR(syscon))
- return PTR_ERR(syscon);
+ if (IS_ERR(syscon)) {
+ ret = PTR_ERR(syscon);
+ goto of_node_put;
+ }
if (of_get_child_by_name(scm_conf, "clocks")) {
ret = omap2_clk_provider_init(scm_conf,
data->index,
syscon, NULL);
if (ret)
- return ret;
+ goto of_node_put;
}
} else {
/* No scm_conf found, direct access */
ret = omap2_clk_provider_init(np, data->index, NULL,
data->mem);
if (ret)
- return ret;
+ goto of_node_put;
}
}
@@ -836,6 +840,11 @@ int __init omap_control_init(void)
}
return 0;
+
+of_node_put:
+ of_node_put(np);
+ return ret;
+
}
/**