Messages in this thread | | | Date | Sat, 10 Jun 2023 12:26:07 +0200 | From | Andi Shyti <> | Subject | Re: [PATCH 1/2] tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error |
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Hi Christophe,
On Fri, Jun 09, 2023 at 06:45:38AM +0200, Christophe JAILLET wrote: > If clk_get_rate() fails, the clk that has just been allocated needs to be > freed. > > Fixes: 5f5a7a5578c5 ("serial: samsung: switch to clkdev based clock lookup") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
As this is a fix, can you cc the stable kernel
Cc: <stable@vger.kernel.org> # v3.3+
> --- > drivers/tty/serial/samsung_tty.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c > index 2a7520ad3abd..dd751e7010e3 100644 > --- a/drivers/tty/serial/samsung_tty.c > +++ b/drivers/tty/serial/samsung_tty.c > @@ -1459,8 +1459,10 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport, > continue; > > rate = clk_get_rate(clk); > - if (!rate) > + if (!rate) { > + clk_put(clk); > continue;
could you also print an error here?
In any case:
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Andi
> + } > > if (ourport->info->has_divslot) { > unsigned long div = rate / req_baud; > -- > 2.34.1 >
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