diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.10/0030-serial-MIPS-lantiq-fix-clock-error-check.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.10/0030-serial-MIPS-lantiq-fix-clock-error-check.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.10/0030-serial-MIPS-lantiq-fix-clock-error-check.patch b/target/linux/lantiq/patches-3.10/0030-serial-MIPS-lantiq-fix-clock-error-check.patch new file mode 100644 index 0000000000..85ec238f1b --- /dev/null +++ b/target/linux/lantiq/patches-3.10/0030-serial-MIPS-lantiq-fix-clock-error-check.patch @@ -0,0 +1,37 @@ +From 8c0b4b6a69cf3033eaa93cee7b3a6ca9ce43f572 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Fri, 9 Aug 2013 20:54:31 +0200 +Subject: [PATCH 30/34] serial: MIPS: lantiq: fix clock error check + +The clock should be checked with the proper IS_ERR() api before using it. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/tty/serial/lantiq.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c +index 93ac046..88d01e0 100644 +--- a/drivers/tty/serial/lantiq.c ++++ b/drivers/tty/serial/lantiq.c +@@ -318,7 +318,7 @@ lqasc_startup(struct uart_port *port) + struct ltq_uart_port *ltq_port = to_ltq_uart_port(port); + int retval; + +- if (ltq_port->clk) ++ if (!IS_ERR(ltq_port->clk)) + clk_enable(ltq_port->clk); + port->uartclk = clk_get_rate(ltq_port->fpiclk); + +@@ -386,7 +386,7 @@ lqasc_shutdown(struct uart_port *port) + port->membase + LTQ_ASC_RXFCON); + ltq_w32_mask(ASCTXFCON_TXFEN, ASCTXFCON_TXFFLU, + port->membase + LTQ_ASC_TXFCON); +- if (ltq_port->clk) ++ if (!IS_ERR(ltq_port->clk)) + clk_disable(ltq_port->clk); + } + +-- +1.7.10.4 + |