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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-20 11:49:44 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-20 17:24:08 +0100 |
| commit | 625faa6a720d26fc0db9e20b48dc0dfe4c8d8ddf (patch) | |
| tree | a9d0f9a0a352dace47c61240bde0ee98f190c15f /drivers/clk/clkdev.c | |
| parent | 8a603f91cc4848ab1a0458bc065aa9f64322e123 (diff) | |
| download | lwn-625faa6a720d26fc0db9e20b48dc0dfe4c8d8ddf.tar.gz lwn-625faa6a720d26fc0db9e20b48dc0dfe4c8d8ddf.zip | |
clkdev: fix clk_add_alias() with a NULL alias device name
clk_add_alias() was not correctly handling the case where alias_dev_name
was NULL: rather than producing an entry with a NULL dev_id pointer,
it would produce a device name of (null). Fix this.
Cc: <stable@vger.kernel.org>
Fixes: 2568999835d7 ("clkdev: add clkdev_create() helper")
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/clk/clkdev.c')
| -rw-r--r-- | drivers/clk/clkdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index c0eaf0973bd2..779b6ff0c7ad 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c @@ -333,7 +333,8 @@ int clk_add_alias(const char *alias, const char *alias_dev_name, if (IS_ERR(r)) return PTR_ERR(r); - l = clkdev_create(r, alias, "%s", alias_dev_name); + l = clkdev_create(r, alias, alias_dev_name ? "%s" : NULL, + alias_dev_name); clk_put(r); return l ? 0 : -ENODEV; |