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authorArnd Bergmann <arnd@arndb.de>2012-11-15 17:27:43 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-15 17:27:43 +0100
commit12480c2e53d355223cf6884ed1f56e6ac9b7c21f (patch)
treec244c5b4f265dc38f7658fbe5714ba2c402aef28 /drivers/usb/serial/opticon.c
parent6c8e94a57c30e31d0807f038b4f98b659fd67776 (diff)
parent936407358759adb302df93ab61fa68141897270c (diff)
Merge tag 'omap-for-v3.8/fixes-non-critical-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren <tony@atomide.com>: Non critical omap fixes that were not considered urgent for the -rc cycle. * tag 'omap-for-v3.8/fixes-non-critical-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (645 commits) ARM: OMAP4: PM: fix errata handling when CONFIG_PM=n ARM: OMAP4: retrigger localtimers after re-enabling gic ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC control register change. ARM: OMAP4: PM: add errata support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/usb/serial/opticon.c')
-rw-r--r--drivers/usb/serial/opticon.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 41b1647306e..6aba731d486 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -155,7 +155,11 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
{
struct usb_serial *serial = port->serial;
int retval;
- u8 buffer[2];
+ u8 *buffer;
+
+ buffer = kzalloc(1, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
buffer[0] = val;
/* Send the message to the vendor control endpoint
@@ -164,6 +168,7 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
requesttype,
USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
0, 0, buffer, 1, 0);
+ kfree(buffer);
return retval;
}
@@ -281,7 +286,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
if (!dr) {
dev_err(&port->dev, "out of memory\n");
count = -ENOMEM;
- goto error;
+ goto error_no_dr;
}
dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT;
@@ -311,6 +316,8 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
return count;
error:
+ kfree(dr);
+error_no_dr:
usb_free_urb(urb);
error_no_urb:
kfree(buffer);