When unlock, if caller is not the sema owner,
return -EACCES, not 1.
Signed-off-by: Peng Fan <peng....@nxp.com>
Cc: Stefano Babic <sba...@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
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