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-rw-r--r--arch/arm/imx-common/rdc-sema.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/imx-common/rdc-sema.c b/arch/arm/imx-common/rdc-sema.c
index 5df4e02b53b..1d97ac8e7fd 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]);