This is a note to let you know that I've just added the patch titled ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init' to the 4.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arm-davinci-pm-free-resources-in-error-handling-path-in-davinci_pm_init.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From f3f6cc814f9cb61cfb738af2b126a8bf19e5ab4c Mon Sep 17 00:00:00 2001 From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Date: Sat, 13 May 2017 13:40:05 +0200 Subject: ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init' From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> commit f3f6cc814f9cb61cfb738af2b126a8bf19e5ab4c upstream. 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@xxxxxxxxxx> Signed-off-by: Sekhar Nori <nsekhar@xxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm/mach-davinci/pm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/arch/arm/mach-davinci/pm.c +++ b/arch/arm/mach-davinci/pm.c @@ -154,7 +154,8 @@ 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, @@ -162,6 +163,8 @@ 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: Patches currently in stable-queue which might be from christophe.jaillet@xxxxxxxxxx are queue-4.11/arm-davinci-pm-free-resources-in-error-handling-path-in-davinci_pm_init.patch queue-4.11/arm-davinci-pm-do-not-free-useful-resources-in-normal-path-in-davinci_pm_init.patch