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authorDan Carpenter <dan.carpenter@oracle.com>2012-08-16 15:16:56 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-16 21:07:23 +0200
commitc3a6344ae475763b6fb0fb2ec3639004f500d0f1 (patch)
tree3279f1e5f5651d322a2177da2108f465bd9c194d /drivers/char
parentn_gsm: memory leak in uplink error path (diff)
downloadlinux-c3a6344ae475763b6fb0fb2ec3639004f500d0f1.tar.xz
linux-c3a6344ae475763b6fb0fb2ec3639004f500d0f1.zip
TTY: tty_alloc_driver() returns error pointers
We changed these from alloc_tty_driver() to tty_alloc_driver() so the error handling needs to modified to check for IS_ERR() instead of NULL. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/pcmcia/synclink_cs.c4
-rw-r--r--drivers/char/ttyprintk.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index d9335ae1fadf..5db08c78beb5 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -2813,8 +2813,8 @@ static int __init synclink_cs_init(void)
serial_driver = tty_alloc_driver(MAX_DEVICE_COUNT,
TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV);
- if (!serial_driver) {
- rc = -ENOMEM;
+ if (IS_ERR(serial_driver)) {
+ rc = PTR_ERR(serial_driver);
goto err;
}
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index 561f8aa7cd87..af98f6d6509b 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -187,8 +187,8 @@ static int __init ttyprintk_init(void)
TTY_DRIVER_RESET_TERMIOS |
TTY_DRIVER_REAL_RAW |
TTY_DRIVER_UNNUMBERED_NODE);
- if (!ttyprintk_driver)
- return ret;
+ if (IS_ERR(ttyprintk_driver))
+ return PTR_ERR(ttyprintk_driver);
ttyprintk_driver->driver_name = "ttyprintk";
ttyprintk_driver->name = "ttyprintk";