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path: root/drivers/net/slhc.c
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Diffstat (limited to 'drivers/net/slhc.c')
-rw-r--r--drivers/net/slhc.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/net/slhc.c b/drivers/net/slhc.c
index 3a1b7131681..0adab709ab6 100644
--- a/drivers/net/slhc.c
+++ b/drivers/net/slhc.c
@@ -42,7 +42,7 @@
* Modularization.
* - Jan 1995 Bjorn Ekwall
* Use ip_fast_csum from ip.h
- * - July 1995 Christos A. Polyzols
+ * - July 1995 Christos A. Polyzols
* Spotted bug in tcp option checking
*
*
@@ -94,27 +94,23 @@ slhc_init(int rslots, int tslots)
register struct cstate *ts;
struct slcompress *comp;
- comp = (struct slcompress *)kmalloc(sizeof(struct slcompress),
- GFP_KERNEL);
+ comp = kzalloc(sizeof(struct slcompress), GFP_KERNEL);
if (! comp)
goto out_fail;
- memset(comp, 0, sizeof(struct slcompress));
if ( rslots > 0 && rslots < 256 ) {
size_t rsize = rslots * sizeof(struct cstate);
- comp->rstate = (struct cstate *) kmalloc(rsize, GFP_KERNEL);
+ comp->rstate = kzalloc(rsize, GFP_KERNEL);
if (! comp->rstate)
goto out_free;
- memset(comp->rstate, 0, rsize);
comp->rslot_limit = rslots - 1;
}
if ( tslots > 0 && tslots < 256 ) {
size_t tsize = tslots * sizeof(struct cstate);
- comp->tstate = (struct cstate *) kmalloc(tsize, GFP_KERNEL);
+ comp->tstate = kzalloc(tsize, GFP_KERNEL);
if (! comp->tstate)
goto out_free2;
- memset(comp->tstate, 0, tsize);
comp->tslot_limit = tslots - 1;
}
@@ -141,9 +137,9 @@ slhc_init(int rslots, int tslots)
return comp;
out_free2:
- kfree((unsigned char *)comp->rstate);
+ kfree(comp->rstate);
out_free:
- kfree((unsigned char *)comp);
+ kfree(comp);
out_fail:
return NULL;
}
@@ -242,10 +238,10 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
/*
* Don't play with runt packets.
*/
-
+
if(isize<sizeof(struct iphdr))
return isize;
-
+
ip = (struct iphdr *) icp;
/* Bail if this packet isn't TCP, or is an IP fragment */
@@ -700,20 +696,6 @@ EXPORT_SYMBOL(slhc_compress);
EXPORT_SYMBOL(slhc_uncompress);
EXPORT_SYMBOL(slhc_toss);
-#ifdef MODULE
-
-int init_module(void)
-{
- printk(KERN_INFO "CSLIP: code copyright 1989 Regents of the University of California\n");
- return 0;
-}
-
-void cleanup_module(void)
-{
- return;
-}
-
-#endif /* MODULE */
#else /* CONFIG_INET */