diff options
author | Dave Jones <davej@redhat.com> | 2006-06-29 16:01:54 -0400 |
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committer | Dave Jones <davej@redhat.com> | 2006-06-29 16:01:54 -0400 |
commit | 55b4d6a52195a8f277ffddf755ddaff359878f41 (patch) | |
tree | 06a3183a562f8da4688f65023f7a18dcad702956 /drivers/w1/slaves/w1_therm.c | |
parent | adf8a287150667feb5747f8beade62acacc17d4e (diff) | |
parent | 1f1332f727c3229eb2166a83fec5d3de6a73dce2 (diff) |
Merge ../linus
Conflicts:
drivers/char/agp/Kconfig
Diffstat (limited to 'drivers/w1/slaves/w1_therm.c')
-rw-r--r-- | drivers/w1/slaves/w1_therm.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index 536d16d78de..5372cfcbd05 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -29,7 +29,6 @@ #include <linux/delay.h> #include "../w1.h" -#include "../w1_io.h" #include "../w1_int.h" #include "../w1_family.h" @@ -166,12 +165,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si u8 rom[9], crc, verdict; int i, max_trying = 10; - atomic_inc(&sl->refcnt); - smp_mb__after_atomic_inc(); - if (down_interruptible(&sl->master->mutex)) { - count = 0; - goto out_dec; - } + mutex_lock(&sl->master->mutex); if (off > W1_SLAVE_DATA_SIZE) { count = 0; @@ -234,10 +228,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si count += sprintf(buf + count, "t=%d\n", w1_convert_temp(rom, sl->family->fid)); out: - up(&dev->mutex); -out_dec: - smp_mb__before_atomic_inc(); - atomic_dec(&sl->refcnt); + mutex_unlock(&dev->mutex); return count; } |