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Reduce diff from upstream.

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Should be no functional change.
This commit is contained in:
Alexander Motin 2015-10-18 18:25:00 +00:00
parent 62ed65eb78
commit d82754bbbc
1 changed files with 13 additions and 13 deletions
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26
cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
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@ -3729,17 +3729,18 @@ zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover,
int
zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp)
{
char *buf = NULL;
uint64_t bufsize = HIS_BUF_LEN_DEF;
char *buf;
uint64_t buflen = HIS_BUF_LEN_DEF;
uint64_t off = 0;
nvlist_t **records = NULL;
uint_t numrecords = 0;
int err, i;
if ((buf = malloc(bufsize)) == NULL)
buf = malloc(buflen);
if (buf == NULL)
return (ENOMEM);
do {
uint64_t bytes_read = bufsize;
uint64_t bytes_read = buflen;
uint64_t leftover;
if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0)
@ -3753,18 +3754,16 @@ zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp)
&leftover, &records, &numrecords)) != 0)
break;
off -= leftover;
/*
* If the history block is too big, double the buffer
* size and try again.
*/
if (leftover == bytes_read) {
/*
* no progress made, because buffer is not big enough
* to hold this record; resize and retry.
*/
buflen *= 2;
free(buf);
buf = NULL;
bufsize <<= 1;
if ((bufsize >= HIS_BUF_LEN_MAX) ||
((buf = malloc(bufsize)) == NULL)) {
if ((buflen >= HIS_BUF_LEN_MAX) ||
((buf = malloc(buflen)) == NULL)) {
err = ENOMEM;
break;
}
@ -3772,6 +3771,7 @@ zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp)
/* CONSTCOND */
} while (1);
free(buf);
if (!err) {