4.19-stable review patch. If anyone has any objections, please let me know.
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From: Andy Shevchenko andriy.shevchenko@linux.intel.com
commit 1db4da55070d6a2754efeb3743f5312fc32f5961 upstream.
In accordance with the existing comment and code analysis it is quite likely that there is a missed 'else' when adapter times out. Add it.
Fixes: 5bc1200852c3 ("i2c: Add Intel SCH SMBus support") Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Cc: stable@vger.kernel.org # v2.6.27+ Signed-off-by: Andi Shyti andi.shyti@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/i2c/busses/i2c-isch.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -107,8 +107,7 @@ static int sch_transaction(void) if (retries > MAX_RETRIES) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; - } - if (temp & 0x04) { + } else if (temp & 0x04) { result = -EIO; dev_dbg(&sch_adapter.dev, "Bus collision! SMBus may be " "locked until next hard reset. (sorry!)\n");