[U-Boot] [PATCH] imx-common: rdc-sema: correct return value

[Peng Fan]

When unlock, if caller is not the sema owner,
return -EACCES, not 1.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
---
 arch/arm/imx-common/rdc-sema.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/imx-common/rdc-sema.c b/arch/arm/imx-common/rdc-sema.c
index 5df4e02..1d97ac8 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]);
 
-- 
2.6.2