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| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
| commit | 67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch) | |
| tree | 2e9efe6b5745965faf0dcc084d4613d9356263f9 /drivers/isdn/i4l/isdn_tty.c | |
| parent | 6fe4c590313133ebd5dadb769031489ff178ece1 (diff) | |
| parent | 51f00a471ce8f359627dd99aeac322947a0e491b (diff) | |
| download | blackbird-op-linux-67577927e8d7a1f4b09b4992df640eadc6aacb36.tar.gz blackbird-op-linux-67577927e8d7a1f4b09b4992df640eadc6aacb36.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/isdn/i4l/isdn_tty.c')
| -rw-r--r-- | drivers/isdn/i4l/isdn_tty.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 51dc60da333b..c463162843ba 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -14,7 +14,7 @@ #include <linux/isdn.h> #include <linux/slab.h> #include <linux/delay.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include "isdn_common.h" #include "isdn_tty.h" #ifdef CONFIG_ISDN_AUDIO @@ -28,6 +28,7 @@ /* Prototypes */ +static DEFINE_MUTEX(modem_info_mutex); static int isdn_tty_edit_at(const char *, int, modem_info *); static void isdn_tty_check_esc(const u_char *, u_char, int, int *, u_long *); static void isdn_tty_modem_reset_regs(modem_info *, int); @@ -1354,14 +1355,14 @@ isdn_tty_tiocmget(struct tty_struct *tty, struct file *file) if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; - lock_kernel(); + mutex_lock(&modem_info_mutex); #ifdef ISDN_DEBUG_MODEM_IOCTL printk(KERN_DEBUG "ttyI%d ioctl TIOCMGET\n", info->line); #endif control = info->mcr; status = info->msr; - unlock_kernel(); + mutex_unlock(&modem_info_mutex); return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) | ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) | ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) @@ -1385,7 +1386,7 @@ isdn_tty_tiocmset(struct tty_struct *tty, struct file *file, printk(KERN_DEBUG "ttyI%d ioctl TIOCMxxx: %x %x\n", info->line, set, clear); #endif - lock_kernel(); + mutex_lock(&modem_info_mutex); if (set & TIOCM_RTS) info->mcr |= UART_MCR_RTS; if (set & TIOCM_DTR) { @@ -1407,7 +1408,7 @@ isdn_tty_tiocmset(struct tty_struct *tty, struct file *file, isdn_tty_modem_hup(info, 1); } } - unlock_kernel(); + mutex_unlock(&modem_info_mutex); return 0; } @@ -3515,7 +3516,7 @@ isdn_tty_parse_at(modem_info * info) { atemu *m = &info->emu; char *p; - char ds[40]; + char ds[ISDN_MSNLEN]; #ifdef ISDN_DEBUG_AT printk(KERN_DEBUG "AT: '%s'\n", m->mdmcmd); @@ -3594,7 +3595,7 @@ isdn_tty_parse_at(modem_info * info) break; case '3': p++; - sprintf(ds, "\r\n%d", info->emu.charge); + snprintf(ds, sizeof(ds), "\r\n%d", info->emu.charge); isdn_tty_at_cout(ds, info); break; default:; |
