4.14-stable review patch. If anyone has any objections, please let me know.
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From: Peter Rosin peda@axentia.se
[ Upstream commit 35cd67a0caf767aba472452865dcb4471fcce2b1 ]
Returning zero is wrong in this case.
Signed-off-by: Peter Rosin peda@axentia.se Signed-off-by: Wolfram Sang wsa@the-dreams.de Fixes: 174a13aa8669 ("i2c: Add viperboard i2c master driver") Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/i2c/busses/i2c-viperboard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i2c/busses/i2c-viperboard.c +++ b/drivers/i2c/busses/i2c-viperboard.c @@ -337,7 +337,7 @@ static int vprbrd_i2c_xfer(struct i2c_ad } mutex_unlock(&vb->lock); } - return 0; + return num; error: mutex_unlock(&vb->lock); return error;