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zdb: follow-up to r326150, check if malloc succeeded

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Reported by:	rpokala
MFC after:	1 week
X-MFC with:	r326150
This commit is contained in:
Andriy Gapon 2017-11-25 09:47:31 +00:00
parent 3228add807
commit 718cb91ccc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=326187
1 changed files with 5 additions and 0 deletions
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5
cddl/contrib/opensolaris/cmd/zdb/zdb.c
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@ -3739,6 +3739,11 @@ zdb_embedded_block(char *thing)
}
ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE);
buf = malloc(SPA_MAXBLOCKSIZE);
if (buf == NULL) {
(void) fprintf(stderr, "%s: failed to allocate %llu bytes\n",
__func__, SPA_MAXBLOCKSIZE);
exit(1);
}
err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp));
if (err != 0) {
(void) printf("decode failed: %u\n", err);