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ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init'

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If 'sram_alloc' fails, we need to free already allocated resources.

Fixes: aa9aa1ec2d ("ARM: davinci: PM: rework init, remove platform device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Christophe JAILLET 2017-05-13 13:40:05 +02:00 committed by Sekhar Nori
parent 2ea659a9ef
commit f3f6cc814f
1 changed files with 4 additions and 1 deletions
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5
arch/arm/mach-davinci/pm.c
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@ -153,7 +153,8 @@ int __init davinci_pm_init(void)
davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL); davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL);
if (!davinci_sram_suspend) { if (!davinci_sram_suspend) {
pr_err("PM: cannot allocate SRAM memory\n"); pr_err("PM: cannot allocate SRAM memory\n");
return -ENOMEM; ret = -ENOMEM;
goto no_sram_mem;
} }
davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend, davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend,
@ -161,6 +162,8 @@ int __init davinci_pm_init(void)
suspend_set_ops(&davinci_pm_ops); suspend_set_ops(&davinci_pm_ops);
no_sram_mem:
iounmap(pm_config.ddrpsc_reg_base);
no_ddrpsc_mem: no_ddrpsc_mem:
iounmap(pm_config.ddrpll_reg_base); iounmap(pm_config.ddrpll_reg_base);
no_ddrpll_mem: no_ddrpll_mem: