| commit | 32ad3a77b256948a326c3f68db6acaad2b6953e7 | |
| author | Jiri Slaby <jslaby@suse.cz> | |
| Wed, 20 Apr 2011 08:43:16 +0000 (20 10:43 +0200) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Mon, 25 Apr 2011 21:19:11 +0000 (25 14:19 -0700) | ||
| tree | 18db761371c8875bcb1bd68d5e56ff4389aa96f4 | treesnapshot (tar.gz zip) |
| parent | 0ad7c9af3e1cbb97082062266705d6cb5fb207ee | commitdiff |
TTY: serial_core, remove invalid test
tty->index (named here as line) is set up in initialize_tty_struct.
The value is checked in get_tty_driver for the found driver as:
if (device < base || device >= base + p->num)
continue;
*index = device - base;
So index/line can never be more than driver->num. Hence remove this
test from uart_open.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
tty->index (named here as line) is set up in initialize_tty_struct.
The value is checked in get_tty_driver for the found driver as:
if (device < base || device >= base + p->num)
continue;
*index = device - base;
So index/line can never be more than driver->num. Hence remove this
test from uart_open.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| drivers/tty/serial/serial_core.c | diffblobblamehistory |