[PATCH v5 01/10] clk: fix incorrect usage of ENOSYS

From: Jerome Brunet
Date: Fri Dec 01 2017 - 16:54:40 EST


ENOSYS is special and should only be used for incorrect syscall number.
It does not seem to be the case here.

Reported by checkpatch.pl while working on clock protection.

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Tested-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
Tested-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Acked-by: Michael Turquette <mturquette@xxxxxxxxxxxx>
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
drivers/clk/clk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 647d056df88c..5fe9e63b15c6 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1888,7 +1888,7 @@ static int clk_core_set_parent(struct clk_core *core, struct clk_core *parent)

/* verify ops for for multi-parent clks */
if ((core->num_parents > 1) && (!core->ops->set_parent)) {
- ret = -ENOSYS;
+ ret = -EPERM;
goto out;
}

--
2.14.3