diff options
Diffstat (limited to 'lib/reed_solomon/reed_solomon.c')
| -rw-r--r-- | lib/reed_solomon/reed_solomon.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/reed_solomon/reed_solomon.c b/lib/reed_solomon/reed_solomon.c index f5fef948a41..f8ac9fa95de 100644 --- a/lib/reed_solomon/reed_solomon.c +++ b/lib/reed_solomon/reed_solomon.c @@ -44,12 +44,13 @@ #include <linux/module.h> #include <linux/rslib.h> #include <linux/slab.h> +#include <linux/mutex.h> #include <asm/semaphore.h> /* This list holds all currently allocated rs control structures */ static LIST_HEAD (rslist); /* Protection for the list */ -static DECLARE_MUTEX(rslistlock); +static DEFINE_MUTEX(rslistlock); /** * rs_init - Initialize a Reed-Solomon codec @@ -161,7 +162,7 @@ errrs: */ void free_rs(struct rs_control *rs) { - down(&rslistlock); + mutex_lock(&rslistlock); rs->users--; if(!rs->users) { list_del(&rs->list); @@ -170,7 +171,7 @@ void free_rs(struct rs_control *rs) kfree(rs->genpoly); kfree(rs); } - up(&rslistlock); + mutex_unlock(&rslistlock); } /** @@ -201,7 +202,7 @@ struct rs_control *init_rs(int symsize, int gfpoly, int fcr, int prim, if (nroots < 0 || nroots >= (1<<symsize)) return NULL; - down(&rslistlock); + mutex_lock(&rslistlock); /* Walk through the list and look for a matching entry */ list_for_each(tmp, &rslist) { @@ -228,7 +229,7 @@ struct rs_control *init_rs(int symsize, int gfpoly, int fcr, int prim, list_add(&rs->list, &rslist); } out: - up(&rslistlock); + mutex_unlock(&rslistlock); return rs; } |