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Date: Sat, 13 May 2017 13:40:05 +0200 From: Christophe JAILLET <christophe.jaillet@...adoo.fr> To: nsekhar@...com, khilman@...nel.org, linux@...linux.org.uk Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Christophe JAILLET <christophe.jaillet@...adoo.fr> Subject: [PATCH 1/2] ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init' If 'sram_alloc' fails, we need to free already allocated resources. Fixes: aa9aa1ec2df6 ("ARM: davinci: PM: rework init, remove platform device") Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr> --- arch/arm/mach-davinci/pm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c index efb80354f303..d282b0783ecf 100644 --- a/arch/arm/mach-davinci/pm.c +++ b/arch/arm/mach-davinci/pm.c @@ -153,7 +153,8 @@ int __init davinci_pm_init(void) davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL); if (!davinci_sram_suspend) { 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, @@ -161,6 +162,8 @@ int __init davinci_pm_init(void) suspend_set_ops(&davinci_pm_ops); +no_sram_mem: + iounmap(pm_config.ddrpsc_reg_base); no_ddrpsc_mem: iounmap(pm_config.ddrpll_reg_base); no_ddrpll_mem: -- 2.11.0
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