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authorWentao Liang <vulab@iscas.ac.cn>2025-01-19 22:32:05 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-08 09:58:03 +0100
commit3b732c60a00c3390ec84ea5246350d556fb16ddd (patch)
tree2f65a0e2b06a9898b81f4d38a2f5199a2507d5b7 /drivers/net/ethernet/intel/ice/ice_parser_rt.c
parenta099834a51ccf9bbba3de86a251b3433539abfde (diff)
PM: hibernate: Add error handling for syscore_suspend()
[ Upstream commit e20a70c572539a486dbd91b225fa6a194a5e2122 ] In hibernation_platform_enter(), the code did not check the return value of syscore_suspend(), potentially leading to a situation where syscore_resume() would be called even if syscore_suspend() failed. This could cause unpredictable behavior or system instability. Modify the code sequence in question to properly handle errors returned by syscore_suspend(). If an error occurs in the suspend path, the code now jumps to label 'Enable_irqs' skipping the syscore_resume() call and only enabling interrupts after setting the system state to SYSTEM_RUNNING. Fixes: 40dc166cb5dd ("PM / Core: Introduce struct syscore_ops for core subsystems PM") Signed-off-by: Wentao Liang <vulab@iscas.ac.cn> Link: https://patch.msgid.link/20250119143205.2103-1-vulab@iscas.ac.cn [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_parser_rt.c')
0 files changed, 0 insertions, 0 deletions