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authorArvind Yadav <arvind.yadav.cs@gmail.com>2016-09-20 14:08:58 +0300
committerStephen Boyd <sboyd@codeaurora.org>2016-12-09 03:29:39 +0300
commit81ba3cc29a03b2cd9360739014b7d8ade88a9863 (patch)
treec86d5204f592d0ed75f0137c0f3e456a0ae0b418 /drivers/clk/mmp
parent19b9f29d256f5b088b30109169a711967788fb56 (diff)
downloadlinux-81ba3cc29a03b2cd9360739014b7d8ade88a9863.tar.xz
clk:mmp:clk-of-mmp2: Free memory and Unmap region obtained by kzalloc and of_iomap
Free memory and memory mapping , if mmp2_clk_init is not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> [sboyd@codeaurora.org: Put return at the right place] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/mmp')
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 9adaf48aea23..0fc75c395957 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -309,19 +309,19 @@ static void __init mmp2_clk_init(struct device_node *np)
pxa_unit->mpmu_base = of_iomap(np, 0);
if (!pxa_unit->mpmu_base) {
pr_err("failed to map mpmu registers\n");
- return;
+ goto free_memory;
}
pxa_unit->apmu_base = of_iomap(np, 1);
if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
- return;
+ goto unmap_mpmu_region;
}
pxa_unit->apbc_base = of_iomap(np, 2);
if (!pxa_unit->apbc_base) {
pr_err("failed to map apbc registers\n");
- return;
+ goto unmap_apmu_region;
}
mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS);
@@ -333,6 +333,15 @@ static void __init mmp2_clk_init(struct device_node *np)
mmp2_axi_periph_clk_init(pxa_unit);
mmp2_clk_reset_init(np, pxa_unit);
+
+ return;
+
+unmap_apmu_region:
+ iounmap(pxa_unit->apmu_base);
+unmap_mpmu_region:
+ iounmap(pxa_unit->mpmu_base);
+free_memory:
+ kfree(pxa_unit);
}
CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);