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| author | Ingo Molnar <mingo@elte.hu> | 2006-03-26 01:37:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 08:56:55 -0800 |
| commit | 14cc3e2b633bb64063698980974df4535368e98f (patch) | |
| tree | d542c9db7376de199d640b8e34d5630460b217b5 /drivers/telephony | |
| parent | 353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (diff) | |
| download | kernel-common-14cc3e2b633bb64063698980974df4535368e98f.tar.gz kernel-common-14cc3e2b633bb64063698980974df4535368e98f.tar.bz2 kernel-common-14cc3e2b633bb64063698980974df4535368e98f.zip | |
[PATCH] sem2mutex: misc static one-file mutexes
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jens Axboe <axboe@suse.de>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Cc: Greg KH <greg@kroah.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/telephony')
| -rw-r--r-- | drivers/telephony/phonedev.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c index 3c987f49f6b4..7a6db1c5c8c5 100644 --- a/drivers/telephony/phonedev.c +++ b/drivers/telephony/phonedev.c @@ -29,6 +29,7 @@ #include <linux/kmod.h> #include <linux/sem.h> #include <linux/devfs_fs_kernel.h> +#include <linux/mutex.h> #define PHONE_NUM_DEVICES 256 @@ -37,7 +38,7 @@ */ static struct phone_device *phone_device[PHONE_NUM_DEVICES]; -static DECLARE_MUTEX(phone_lock); +static DEFINE_MUTEX(phone_lock); /* * Open a phone device. @@ -53,14 +54,14 @@ static int phone_open(struct inode *inode, struct file *file) if (minor >= PHONE_NUM_DEVICES) return -ENODEV; - down(&phone_lock); + mutex_lock(&phone_lock); p = phone_device[minor]; if (p) new_fops = fops_get(p->f_op); if (!new_fops) { - up(&phone_lock); + mutex_unlock(&phone_lock); request_module("char-major-%d-%d", PHONE_MAJOR, minor); - down(&phone_lock); + mutex_lock(&phone_lock); p = phone_device[minor]; if (p == NULL || (new_fops = fops_get(p->f_op)) == NULL) { @@ -78,7 +79,7 @@ static int phone_open(struct inode *inode, struct file *file) } fops_put(old_fops); end: - up(&phone_lock); + mutex_unlock(&phone_lock); return err; } @@ -100,18 +101,18 @@ int phone_register_device(struct phone_device *p, int unit) end = unit + 1; /* enter the loop at least one time */ } - down(&phone_lock); + mutex_lock(&phone_lock); for (i = base; i < end; i++) { if (phone_device[i] == NULL) { phone_device[i] = p; p->minor = i; devfs_mk_cdev(MKDEV(PHONE_MAJOR,i), S_IFCHR|S_IRUSR|S_IWUSR, "phone/%d", i); - up(&phone_lock); + mutex_unlock(&phone_lock); return 0; } } - up(&phone_lock); + mutex_unlock(&phone_lock); return -ENFILE; } @@ -121,12 +122,12 @@ int phone_register_device(struct phone_device *p, int unit) void phone_unregister_device(struct phone_device *pfd) { - down(&phone_lock); + mutex_lock(&phone_lock); if (phone_device[pfd->minor] != pfd) panic("phone: bad unregister"); devfs_remove("phone/%d", pfd->minor); phone_device[pfd->minor] = NULL; - up(&phone_lock); + mutex_unlock(&phone_lock); } |