From: Wolfram Sang <wolfram@xxxxxxxxxxxxx>
smatch says:
drivers/i2c/busses/i2c-eg20t.c:702 pch_i2c_xfer() info: why not propagate 'ret' from mutex_lock_interruptible() instead of -512?
which is especially true since for -ENORESTARTSYS it is said in
linux/errno.h "signal_pending() MUST be set" which is not done here. So
just pass on the return value we got.
Signed-off-by: Wolfram Sang <wolfram@xxxxxxxxxxxxx>
Cc: Tomoya MORINAGA <tomoya.rohm@xxxxxxxxx>
---
drivers/i2c/busses/i2c-eg20t.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 6e9e075..93926a7 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -699,7 +699,7 @@ static s32 pch_i2c_xfer(struct i2c_adapter *i2c_adap,
ret = mutex_lock_interruptible(&pch_mutex);
if (ret)
- return -ERESTARTSYS;
+ return ret;
if (adap->p_adapter_info->pch_i2c_suspended) {
mutex_unlock(&pch_mutex);
--
1.7.10
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