diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b3153c095199..e5647dac0818 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1590,8 +1590,11 @@ static int pcs_save_context(struct pcs_device *pcs) mux_bytes = pcs->width / BITS_PER_BYTE; - if (!pcs->saved_vals) + if (!pcs->saved_vals) { pcs->saved_vals = devm_kzalloc(pcs->dev, pcs->size, GFP_ATOMIC); + if (!pcs->saved_vals) + return -ENOMEM; + } switch (pcs->width) { case 64: @@ -1651,8 +1654,13 @@ static int pinctrl_single_suspend(struct platform_device *pdev, if (!pcs) return -EINVAL; - if (pcs->flags & PCS_CONTEXT_LOSS_OFF) - pcs_save_context(pcs); + if (pcs->flags & PCS_CONTEXT_LOSS_OFF) { + int ret; + + ret = pcs_save_context(pcs); + if (ret < 0) + return ret; + } return pinctrl_force_sleep(pcs->pctl); } |