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Embed scratch memory in the filter structure.

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MFC after:	3 days
This commit is contained in:
Jung-uk Kim 2008-08-25 20:39:56 +00:00
parent c02d68217d
commit 02d2b7bd0e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=182172
2 changed files with 1 additions and 20 deletions
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19
sys/net/bpf_jitter.c
View File

@ -69,17 +69,8 @@ bpf_jitter(struct bpf_insn *fp, int nins)
if (filter == NULL)
return (NULL);
/* Allocate the filter's memory */
filter->mem = (int *)malloc(BPF_MEMWORDS * sizeof(int),
M_BPFJIT, M_NOWAIT);
if (filter->mem == NULL) {
free(filter, M_BPFJIT);
return (NULL);
}
/* Create the binary */
if ((filter->func = bpf_jit_compile(fp, nins, filter->mem)) == NULL) {
free(filter->mem, M_BPFJIT);
free(filter, M_BPFJIT);
return (NULL);
}
@ -91,7 +82,6 @@ void
bpf_destroy_jit_filter(bpf_jit_filter *filter)
{
free(filter->mem, M_BPFJIT);
free(filter->func, M_BPFJIT);
free(filter, M_BPFJIT);
}
@ -106,16 +96,8 @@ bpf_jitter(struct bpf_insn *fp, int nins)
if (filter == NULL)
return (NULL);
/* Allocate the filter's memory */
filter->mem = (int *)malloc(BPF_MEMWORDS * sizeof(int));
if (filter->mem == NULL) {
free(filter);
return (NULL);
}
/* Create the binary */
if ((filter->func = bpf_jit_compile(fp, nins, filter->mem)) == NULL) {
free(filter->mem);
free(filter);
return (NULL);
}
@ -127,7 +109,6 @@ void
bpf_destroy_jit_filter(bpf_jit_filter *filter)
{
free(filter->mem);
free(filter->func);
free(filter);
}

2
sys/net/bpf_jitter.h
View File

@ -54,7 +54,7 @@ typedef struct bpf_jit_filter {
/* The native filtering binary, in the form of a bpf_filter_func. */
bpf_filter_func func;
int *mem;
int mem[BPF_MEMWORDS]; /* Scratch memory */
} bpf_jit_filter;
/*