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Compare/set pointers using NULL not 0.

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This commit is contained in:
Robert Watson 2004-09-09 00:11:50 +00:00
parent d31ba6257b
commit d17d818425
1 changed files with 3 additions and 3 deletions
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6
sys/net/bpf.c
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@ -332,7 +332,7 @@ bpfopen(dev, flags, fmt, td)
* Each minor can be opened by only one process. If the requested
* minor is in use, return EBUSY.
*/
if (d) {
if (d != NULL) {
mtx_unlock(&bpf_mtx);
return (EBUSY);
}
@ -387,7 +387,7 @@ bpfclose(dev, flags, fmt, td)
#endif /* MAC */
knlist_destroy(&d->bd_sel.si_note);
bpf_freed(d);
dev->si_drv1 = 0;
dev->si_drv1 = NULL;
free(d, M_BPF);
return (0);
@ -404,7 +404,7 @@ bpfclose(dev, flags, fmt, td)
(d)->bd_hlen = (d)->bd_slen; \
(d)->bd_sbuf = (d)->bd_fbuf; \
(d)->bd_slen = 0; \
(d)->bd_fbuf = 0;
(d)->bd_fbuf = NULL;
/*
* bpfread - read next chunk of packets from buffers
*/