diff options
Diffstat (limited to 'lib/reed_solomon/reed_solomon.c')
| -rw-r--r-- | lib/reed_solomon/reed_solomon.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/lib/reed_solomon/reed_solomon.c b/lib/reed_solomon/reed_solomon.c index 3e694ab9e3b2..02c19ecffc28 100644 --- a/lib/reed_solomon/reed_solomon.c +++ b/lib/reed_solomon/reed_solomon.c @@ -60,8 +60,7 @@ static struct rs_control *rs_init(int symsize, int gfpoly, int (*gffunc)(int), struct rs_control *rs; int i, j, sr, root, iprim; - /* Allocate the control structure */ - rs = kmalloc(sizeof(*rs), gfp); + rs = kzalloc(sizeof(*rs), gfp); if (!rs) return NULL; @@ -78,15 +77,15 @@ static struct rs_control *rs_init(int symsize, int gfpoly, int (*gffunc)(int), /* Allocate the arrays */ rs->alpha_to = kmalloc(sizeof(uint16_t) * (rs->nn + 1), gfp); if (rs->alpha_to == NULL) - goto errrs; + goto err; rs->index_of = kmalloc(sizeof(uint16_t) * (rs->nn + 1), gfp); if (rs->index_of == NULL) - goto erralp; + goto err; rs->genpoly = kmalloc(sizeof(uint16_t) * (rs->nroots + 1), gfp); if(rs->genpoly == NULL) - goto erridx; + goto err; /* Generate Galois field lookup tables */ rs->index_of[0] = rs->nn; /* log(zero) = -inf */ @@ -111,7 +110,7 @@ static struct rs_control *rs_init(int symsize, int gfpoly, int (*gffunc)(int), } /* If it's not primitive, exit */ if(sr != rs->alpha_to[0]) - goto errpol; + goto err; /* Find prim-th root of 1, used in decoding */ for(iprim = 1; (iprim % prim) != 0; iprim += rs->nn); @@ -141,14 +140,10 @@ static struct rs_control *rs_init(int symsize, int gfpoly, int (*gffunc)(int), rs->genpoly[i] = rs->index_of[rs->genpoly[i]]; return rs; - /* Error exit */ -errpol: +err: kfree(rs->genpoly); -erridx: kfree(rs->index_of); -erralp: kfree(rs->alpha_to); -errrs: kfree(rs); return NULL; } |