This is a note to let you know that I've just added the patch titled
tty: serial: vt8500: fix return value check in vt8500_serial_probe()
to my tty git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
in the tty-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
>From a6dd114e16cbc4410049a90a8a67b967333d108d Mon Sep 17 00:00:00 2001
From: Wei Yongjun <[email protected]>
Date: Sun, 2 Dec 2012 05:10:44 -0500
Subject: tty: serial: vt8500: fix return value check in vt8500_serial_probe()
In case of error, function of_clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <[email protected]>
Acked-by: Tony Prisk <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/tty/serial/vt8500_serial.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/vt8500_serial.c
b/drivers/tty/serial/vt8500_serial.c
index 8fd1814..d5ed9f6 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -604,7 +604,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)
vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0);
- if (vt8500_port->clk) {
+ if (!IS_ERR(vt8500_port->clk)) {
vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk);
} else {
/* use the default of 24Mhz if not specified and warn */
--
1.8.1.336.g94702dd
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