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| author | Peng Fan <peng.fan@nxp.com> | 2017-04-21 08:56:50 (GMT) |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2017-05-18 09:23:31 (GMT) |
| commit | 354fa867103bb22a36371a90664a072c9aa71db7 (patch) | |
| tree | a97e85124bc5752ae590905882f21440743d2ac4 /arch/arm/imx-common/rdc-sema.c | |
| parent | 80512547ba3706679a039ae823bb957af422580e (diff) | |
| download | u-boot-354fa867103bb22a36371a90664a072c9aa71db7.tar.xz | |
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 <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/imx-common/rdc-sema.c')
| -rw-r--r-- | arch/arm/imx-common/rdc-sema.c | 2 |
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 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]); |