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| author | Jiri Slaby <jslaby@suse.cz> | 2011-01-07 03:42:31 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-07 08:26:45 +0300 |
| commit | 26fcaf60fe3861409eb4c455c5c0d0f00f599b08 (patch) | |
| tree | 43b0b91df3a1c8d136b63ce499001a05c9a02c93 /drivers/acpi/sleep.c | |
| parent | 3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff) | |
| download | linux-26fcaf60fe3861409eb4c455c5c0d0f00f599b08.tar.xz | |
PM: Fix oops in suspend/hibernate code related to failing ioremap()
When ioremap() fails (which might happen for some reason), we nicely
oops in suspend_nvs_save() due to NULL dereference by memcpy() in there.
Fail gracefully instead.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index febb153b5a68..d8bca6c90719 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -124,8 +124,7 @@ static int acpi_pm_freeze(void) static int acpi_pm_pre_suspend(void) { acpi_pm_freeze(); - suspend_nvs_save(); - return 0; + return suspend_nvs_save(); } /** @@ -151,7 +150,7 @@ static int acpi_pm_prepare(void) { int error = __acpi_pm_prepare(); if (!error) - acpi_pm_pre_suspend(); + error = acpi_pm_pre_suspend(); return error; } |