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leds: qpnp-flash-v2: Fix out-of-bound array access

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Fix out-of-bound array access by using the right
offset-mask in getting the OTST status.

Change-Id: I89a4176251ea9157c5dd997b3c11bfcb07420a4f
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
This commit is contained in:
Kiran Gunda 2020-12-11 17:40:47 +05:30 • committed by Gerrit - the friendly Code Review server
commit e69e8b1b39
1 changed files with 2 additions and 0 deletions
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2
drivers/leds/leds-qpnp-flash-v2.c
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@ -31,6 +31,7 @@
#define FLASH_LED_REG_LED_STATUS2(base) (base + 0x09)
#define FLASH_LED_VPH_DROOP_FAULT_MASK BIT(4)
#define FLASH_LED_THERMAL_OTST_MASK GENMASK(2, 0)
#define FLASH_LED_REG_INT_RT_STS(base) (base + 0x10)
@ -1250,6 +1251,7 @@ static int qpnp_flash_led_calc_thermal_current_lim(struct qpnp_flash_led *led,
if (rc < 0)
return rc;
otst_status &= FLASH_LED_THERMAL_OTST_MASK;
/* Look up current limit based on THERMAL_OTST status */
if (otst_status)
*thermal_current_lim =