From 385cab7c7131083cbe09d5f1d06df4544caa272d Mon Sep 17 00:00:00 2001 From: Jia-Ju Bai Date: Thu, 1 Jun 2017 11:49:08 +0800 Subject: [PATCH] rts5208: Fix a sleep-in-atomic bug in sd_power_off_card3v3 The driver may sleep under a spin lock, and the function call path is: rtsx_exclusive_enter_ss (acquire the lock by spin_lock) rtsx_enter_ss rtsx_power_off_card sd_power_off_card3v3 wait_timeout schedule_timeout --> may sleep To fix it, "wait_timeout" is replaced with mdelay in sd_power_off_card3v3. Signed-off-by: Jia-Ju Bai Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rts5208/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c index bdd35b611f27..aa144542e4e3 100644 --- a/drivers/staging/rts5208/sd.c +++ b/drivers/staging/rts5208/sd.c @@ -5231,7 +5231,7 @@ int sd_power_off_card3v3(struct rtsx_chip *chip) return STATUS_FAIL; } - wait_timeout(50); + mdelay(50); } if (chip->asic_code) { -- 2.45.2