From: Peng Fan Date: Fri, 21 Apr 2017 08:56:50 +0000 (+0800) Subject: imx-common: rdc-sema: correct return value X-Git-Tag: v2017.07-rc1~248^2~35 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=354fa867103bb22a36371a90664a072c9aa71db7;p=u-boot imx-common: rdc-sema: correct return value When unlock, if caller is not the sema owner, return -EACCES, not 1. Signed-off-by: Peng Fan Cc: Stefano Babic --- diff --git a/arch/arm/imx-common/rdc-sema.c b/arch/arm/imx-common/rdc-sema.c index 5df4e02b53..1d97ac8e7f 100644 --- a/arch/arm/imx-common/rdc-sema.c +++ b/arch/arm/imx-common/rdc-sema.c @@ -94,7 +94,7 @@ int imx_rdc_sema_unlock(int per_id) reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]); if ((reg & RDC_SEMA_GATE_GTFSM_MASK) != RDC_SEMA_PROC_ID) - return 1; /*Not the semaphore owner */ + return -EACCES; /*Not the semaphore owner */ writeb(0x0, &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);