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| author | Takashi Iwai <tiwai@suse.de> | 2021-01-18 19:51:49 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-01-18 19:51:49 +0100 |
| commit | c23010ffb20acb02a1d41dc025131609916ed633 (patch) | |
| tree | 8a6ce10eb17196a3e22cccf92daa9e36d2651eab /drivers/hwmon | |
| parent | 532a208ad61018b586cebfca8431291fe9c10ce7 (diff) | |
| parent | 7505c06dabb5e814bda610c8d83338544f15db45 (diff) | |
| download | linux-c23010ffb20acb02a1d41dc025131609916ed633.tar.bz2 | |
Merge tag 'asoc-fix-v5.11-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.11
A few more fixes for v5.11, mostly around HDA jack detection, plus
a couple of updates to the MAINTAINERS entries.
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/amd_energy.c | 3 | ||||
| -rw-r--r-- | drivers/hwmon/pwm-fan.c | 12 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hwmon/amd_energy.c b/drivers/hwmon/amd_energy.c index 9b306448b7a0..822c2e74b98d 100644 --- a/drivers/hwmon/amd_energy.c +++ b/drivers/hwmon/amd_energy.c @@ -222,7 +222,7 @@ static int amd_create_sensor(struct device *dev, */ cpus = num_present_cpus() / num_siblings; - s_config = devm_kcalloc(dev, cpus + sockets, + s_config = devm_kcalloc(dev, cpus + sockets + 1, sizeof(u32), GFP_KERNEL); if (!s_config) return -ENOMEM; @@ -254,6 +254,7 @@ static int amd_create_sensor(struct device *dev, scnprintf(label_l[i], 10, "Esocket%u", (i - cpus)); } + s_config[i] = 0; return 0; } diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 777439f48c14..111a91dc6b79 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -334,8 +334,18 @@ static int pwm_fan_probe(struct platform_device *pdev) ctx->pwm_value = MAX_PWM; - /* Set duty cycle to maximum allowed and enable PWM output */ pwm_init_state(ctx->pwm, &state); + /* + * __set_pwm assumes that MAX_PWM * (period - 1) fits into an unsigned + * long. Check this here to prevent the fan running at a too low + * frequency. + */ + if (state.period > ULONG_MAX / MAX_PWM + 1) { + dev_err(dev, "Configured period too big\n"); + return -EINVAL; + } + + /* Set duty cycle to maximum allowed and enable PWM output */ state.duty_cycle = ctx->pwm->args.period - 1; state.enabled = true; |