diff options
| author | Vinayak Pane <vpane@nvidia.com> | 2012-02-22 16:55:39 -0800 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-16 14:11:17 -0700 |
| commit | aad4aa9c898e742e4c24493169766ed435eb18f7 (patch) | |
| tree | 5030004bed6db2b3150761961036553a36155c7f /arch | |
| parent | 5847468a3ad998d65696446742a30f97619c954e (diff) | |
arm: tegra: baseband: check usb intf after resume
Check for valid interface after system resume and before
enabling runtime pm.
Bug 944052
Signed-off-by: Vinayak Pane <vpane@nvidia.com>
Reviewed-on: http://git-master/r/85330
(cherry picked from commit a32495671f104e1ba0f5a4940bde17d34b9c87f2)
Change-Id: I77dc559ac0d4b31be756d3e770c04b8e5e7bfe36
Reviewed-on: http://git-master/r/96332
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/baseband-xmm-power.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/baseband-xmm-power.c b/arch/arm/mach-tegra/baseband-xmm-power.c index dc8981337f35..1d5fc1ef7316 100644 --- a/arch/arm/mach-tegra/baseband-xmm-power.c +++ b/arch/arm/mach-tegra/baseband-xmm-power.c @@ -564,6 +564,10 @@ static void baseband_xmm_power_autopm_resume(struct work_struct *work) if (usbdev) { usb_lock_device(usbdev); intf = usb_ifnum_to_if(usbdev, 0); + if (!intf) { + usb_unlock_device(usbdev); + return; + } usb_autopm_get_interface(intf); usb_autopm_put_interface(intf); usb_unlock_device(usbdev); |