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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/tty/ipwireless/tty.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/ipwireless/tty.c')
-rw-r--r--drivers/tty/ipwireless/tty.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index ef92869502a..4daf962f705 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -21,7 +21,7 @@
#include <linux/mutex.h>
#include <linux/ppp_defs.h>
#include <linux/if.h>
-#include <linux/if_ppp.h>
+#include <linux/ppp-ioctl.h>
#include <linux/sched.h>
#include <linux/serial.h>
#include <linux/slab.h>
@@ -90,33 +90,23 @@ static void report_deregistering(struct ipw_tty *tty)
tty->index);
}
-static struct ipw_tty *get_tty(int minor)
+static struct ipw_tty *get_tty(int index)
{
- if (minor < ipw_tty_driver->minor_start
- || minor >= ipw_tty_driver->minor_start +
- IPWIRELESS_PCMCIA_MINORS)
+ /*
+ * The 'ras_raw' channel is only available when 'loopback' mode
+ * is enabled.
+ * Number of minor starts with 16 (_RANGE * _RAS_RAW).
+ */
+ if (!ipwireless_loopback && index >=
+ IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW)
return NULL;
- else {
- int minor_offset = minor - ipw_tty_driver->minor_start;
-
- /*
- * The 'ras_raw' channel is only available when 'loopback' mode
- * is enabled.
- * Number of minor starts with 16 (_RANGE * _RAS_RAW).
- */
- if (!ipwireless_loopback &&
- minor_offset >=
- IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW)
- return NULL;
-
- return ttys[minor_offset];
- }
+
+ return ttys[index];
}
static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
{
- int minor = linux_tty->index;
- struct ipw_tty *tty = get_tty(minor);
+ struct ipw_tty *tty = get_tty(linux_tty->index);
if (!tty)
return -ENODEV;
@@ -510,7 +500,7 @@ static int add_tty(int j,
ipwireless_associate_network_tty(network,
secondary_channel_idx,
ttys[j]);
- if (get_tty(j + ipw_tty_driver->minor_start) == ttys[j])
+ if (get_tty(j) == ttys[j])
report_registering(ttys[j]);
return 0;
}
@@ -570,7 +560,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
if (ttyj) {
mutex_lock(&ttyj->ipw_tty_mutex);
- if (get_tty(j + ipw_tty_driver->minor_start) == ttyj)
+ if (get_tty(j) == ttyj)
report_deregistering(ttyj);
ttyj->closing = 1;
if (ttyj->linux_tty != NULL) {
@@ -614,7 +604,6 @@ int ipwireless_tty_init(void)
if (!ipw_tty_driver)
return -ENOMEM;
- ipw_tty_driver->owner = THIS_MODULE;
ipw_tty_driver->driver_name = IPWIRELESS_PCCARD_NAME;
ipw_tty_driver->name = "ttyIPWp";
ipw_tty_driver->major = 0;