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g_read_data() can return NULL, check for it.

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Found by:	Coverity (ID#258)
This commit is contained in:
phk 2005-03-18 07:03:56 +00:00
parent 05ad105753
commit 31aaa9f619
1 changed files with 2 additions and 0 deletions
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2
sys/geom/geom_gpt.c
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@ -188,6 +188,8 @@ g_gpt_taste(struct g_class *mp, struct g_provider *pp, int insist __unused)
tblsz = (entries * entsz + secsz - 1) & ~(secsz - 1);
buf = g_read_data(cp, le64toh(hdr->hdr_lba_table) * secsz,
tblsz, &error);
if (buf == NULL)
break;
for (i = 0; i < entries; i++) {
struct uuid unused = GPT_ENT_TYPE_UNUSED;