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author | 2012-08-16 16:16:56 +0300 | |
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committer | 2012-08-16 12:07:23 -0700 | |
commit | c3a6344ae475763b6fb0fb2ec3639004f500d0f1 (patch) | |
tree | 3279f1e5f5651d322a2177da2108f465bd9c194d /drivers/tty/pty.c | |
parent | n_gsm: memory leak in uplink error path (diff) | |
download | linux-c3a6344ae475763b6fb0fb2ec3639004f500d0f1.tar.gz linux-c3a6344ae475763b6fb0fb2ec3639004f500d0f1.tar.bz2 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/tty/pty.c')
-rw-r--r-- | drivers/tty/pty.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index f5a27c66ff60..2bace847eb39 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -448,14 +448,14 @@ static void __init legacy_pty_init(void) TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_ALLOC); - if (!pty_driver) + if (IS_ERR(pty_driver)) panic("Couldn't allocate pty driver"); pty_slave_driver = tty_alloc_driver(legacy_count, TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_ALLOC); - if (!pty_slave_driver) + if (IS_ERR(pty_slave_driver)) panic("Couldn't allocate pty slave driver"); pty_driver->driver_name = "pty_master"; @@ -682,7 +682,7 @@ static void __init unix98_pty_init(void) TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM | TTY_DRIVER_DYNAMIC_ALLOC); - if (!ptm_driver) + if (IS_ERR(ptm_driver)) panic("Couldn't allocate Unix98 ptm driver"); pts_driver = tty_alloc_driver(NR_UNIX98_PTY_MAX, TTY_DRIVER_RESET_TERMIOS | @@ -690,7 +690,7 @@ static void __init unix98_pty_init(void) TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM | TTY_DRIVER_DYNAMIC_ALLOC); - if (!pts_driver) + if (IS_ERR(pts_driver)) panic("Couldn't allocate Unix98 pts driver"); ptm_driver->driver_name = "pty_master"; |