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Plug memory leaks.

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Found by:	Coverity Prevent
CID:		7052, 7053, 7054, 7055
MFC after:	3 days
This commit is contained in:
Pawel Jakub Dawidek 2010-06-14 21:25:20 +00:00
parent fc066a6137
commit 6744284aec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209179
1 changed files with 10 additions and 6 deletions
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16
sbin/hastd/metadata.c
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@ -96,6 +96,7 @@ metadata_read(struct hast_resource *res, bool openrw)
rerrno = errno;
pjdlog_errno(LOG_ERR,
"Unable to allocate memory to read metadata");
ebuf_free(eb);
goto fail;
}
buf = ebuf_data(eb, NULL);
@ -154,6 +155,7 @@ metadata_read(struct hast_resource *res, bool openrw)
nv_free(nv);
goto fail;
}
nv_free(nv);
return (0);
fail:
if (opened_here) {
@ -172,6 +174,7 @@ metadata_write(struct hast_resource *res)
unsigned char *buf, *ptr;
size_t size;
ssize_t done;
int ret;
buf = calloc(1, METADATA_SIZE);
if (buf == NULL) {
@ -180,6 +183,8 @@ metadata_write(struct hast_resource *res)
return (-1);
}
ret = -1;
nv = nv_alloc();
nv_add_string(nv, res->hr_name, "resource");
nv_add_uint64(nv, (uint64_t)res->hr_datasize, "datasize");
@ -199,7 +204,7 @@ metadata_write(struct hast_resource *res)
nv_add_string(nv, role2str(res->hr_role), "prevrole");
if (nv_error(nv) != 0) {
pjdlog_error("Unable to create metadata.");
goto fail;
goto end;
}
res->hr_previous_role = res->hr_role;
eb = nv_hton(nv);
@ -211,12 +216,11 @@ metadata_write(struct hast_resource *res)
done = pwrite(res->hr_localfd, buf, METADATA_SIZE, 0);
if (done < 0 || done != METADATA_SIZE) {
pjdlog_errno(LOG_ERR, "Unable to write metadata");
goto fail;
goto end;
}
return (0);
fail:
ret = 0;
end:
free(buf);
nv_free(nv);
return (-1);
return (ret);
}