[PATCH 3/4] clk: mvebu: add missing iounmap

From: Jisheng Zhang
Date: Thu Aug 22 2013 - 08:51:54 EST


Add missing iounmap to setup error path.

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
---
drivers/clk/mvebu/clk-cpu.c | 4 +++-
drivers/clk/mvebu/common.c | 18 ++++++++++++------
2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c
index b0fbc07..1466865 100644
--- a/drivers/clk/mvebu/clk-cpu.c
+++ b/drivers/clk/mvebu/clk-cpu.c
@@ -119,7 +119,7 @@ void __init of_cpu_clk_setup(struct device_node *node)

cpuclk = kzalloc(ncpus * sizeof(*cpuclk), GFP_KERNEL);
if (WARN_ON(!cpuclk))
- return;
+ goto cpuclk_out;

clks = kzalloc(ncpus * sizeof(*clks), GFP_KERNEL);
if (WARN_ON(!clks))
@@ -170,6 +170,8 @@ bail_out:
kfree(cpuclk[ncpus].clk_name);
clks_out:
kfree(cpuclk);
+cpuclk_out:
+ iounmap(clock_complex_base);
}

CLK_OF_DECLARE(armada_xp_cpu_clock, "marvell,armada-xp-cpu-clock",
diff --git a/drivers/clk/mvebu/common.c b/drivers/clk/mvebu/common.c
index adaa4a1..6b415f9 100644
--- a/drivers/clk/mvebu/common.c
+++ b/drivers/clk/mvebu/common.c
@@ -45,8 +45,10 @@ void __init mvebu_coreclk_setup(struct device_node *np,
clk_data.clk_num = 2 + desc->num_ratios;
clk_data.clks = kzalloc(clk_data.clk_num * sizeof(struct clk *),
GFP_KERNEL);
- if (WARN_ON(!clk_data.clks))
+ if (WARN_ON(!clk_data.clks)) {
+ iounmap(base);
return;
+ }

/* Register TCLK */
of_property_read_string_index(np, "clock-output-names", 0,
@@ -134,7 +136,7 @@ void __init mvebu_clk_gating_setup(struct device_node *np,

ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (WARN_ON(!ctrl))
- return;
+ goto ctrl_out;

spin_lock_init(&ctrl->lock);

@@ -145,10 +147,8 @@ void __init mvebu_clk_gating_setup(struct device_node *np,
ctrl->num_gates = n;
ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
GFP_KERNEL);
- if (WARN_ON(!ctrl->gates)) {
- kfree(ctrl);
- return;
- }
+ if (WARN_ON(!ctrl->gates))
+ goto bail_out;

for (n = 0; n < ctrl->num_gates; n++) {
const char *parent =
@@ -160,4 +160,10 @@ void __init mvebu_clk_gating_setup(struct device_node *np,
}

of_clk_add_provider(np, clk_gating_get_src, ctrl);
+
+ return;
+bail_out:
+ kfree(ctrl);
+ctrl_out:
+ iounmap(base);
}
--
1.8.4.rc3

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