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Fix dangling pointers and error message regressions 

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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2016-04-28' into staging

Fix dangling pointers and error message regressions

# gpg: Signature made Thu 28 Apr 2016 07:25:51 BST using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-error-2016-04-28:
  qom: -object error messages lost location, restore it
  replay: Fix dangling location bug in replay_configure()
  QemuOpts: Fix qemu_opts_foreach() dangling location regression

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-04-28 11:05:37 +01:00
parent 61861eff69 51b9b478cc
commit 736f85d5db
8 changed files with 26 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/qom/object_interfaces.h
View File

@ -140,7 +140,7 @@ typedef bool (*user_creatable_add_opts_predicate)(const char *type);
* user_creatable_add_opts_foreach:
* @opaque: a user_creatable_add_opts_predicate callback or NULL
* @opts: options to create
* @errp: if an error occurs, a pointer to an area to store the error
* @errp: unused
*
* An iterator callback to be used in conjunction with
* the qemu_opts_foreach() method for creating a list of
@ -148,8 +148,9 @@ typedef bool (*user_creatable_add_opts_predicate)(const char *type);
*
* The @opaque parameter can be passed a user_creatable_add_opts_predicate
* callback to filter which types of object are created during iteration.
* When it fails, report the error.
*
* Returns: 0 on success, -1 on error
* Returns: 0 on success, -1 when an error was reported.
*/
int user_creatable_add_opts_foreach(void *opaque,
QemuOpts *opts, Error **errp);

39
qemu-img.c
View File

@ -435,8 +435,7 @@ static int img_create(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
goto fail;
}
@ -598,7 +597,6 @@ static int img_check(int argc, char **argv)
bool writethrough;
ImageCheck *check;
bool quiet = false;
Error *local_err = NULL;
bool image_opts = false;
fmt = NULL;
@ -679,8 +677,7 @@ static int img_check(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -871,8 +868,7 @@ static int img_commit(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -1133,7 +1129,6 @@ static int img_compare(int argc, char **argv)
int64_t nb_sectors;
int c, pnum;
uint64_t progress_base;
Error *local_err = NULL;
bool image_opts = false;
cache = BDRV_DEFAULT_CACHE;
@ -1201,8 +1196,7 @@ static int img_compare(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
ret = 2;
goto out4;
}
@ -1864,8 +1858,7 @@ static int img_convert(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
goto fail_getopt;
}
@ -2299,7 +2292,6 @@ static int img_info(int argc, char **argv)
bool chain = false;
const char *filename, *fmt, *output;
ImageInfoList *list;
Error *local_err = NULL;
bool image_opts = false;
fmt = NULL;
@ -2363,8 +2355,7 @@ static int img_info(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -2513,7 +2504,6 @@ static int img_map(int argc, char **argv)
int64_t length;
MapEntry curr = { .length = 0 }, next;
int ret = 0;
Error *local_err = NULL;
bool image_opts = false;
fmt = NULL;
@ -2573,8 +2563,7 @@ static int img_map(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -2717,8 +2706,7 @@ static int img_snapshot(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &err)) {
error_report_err(err);
NULL, NULL)) {
return 1;
}
@ -2867,8 +2855,7 @@ static int img_rebase(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -3133,7 +3120,6 @@ static int img_resize(int argc, char **argv)
bool quiet = false;
BlockBackend *blk = NULL;
QemuOpts *param;
Error *local_err = NULL;
static QemuOptsList resize_options = {
.name = "resize_options",
@ -3204,8 +3190,7 @@ static int img_resize(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
return 1;
}
@ -3297,7 +3282,6 @@ static int img_amend(int argc, char **argv)
bool quiet = false, progress = false;
BlockBackend *blk = NULL;
BlockDriverState *bs = NULL;
Error *local_err = NULL;
bool image_opts = false;
cache = BDRV_DEFAULT_CACHE;
@ -3365,8 +3349,7 @@ static int img_amend(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
ret = -1;
goto out_no_progress;
}

3
qemu-io.c
View File

@ -534,8 +534,7 @@ int main(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_error)) {
error_report_err(local_error);
NULL, NULL)) {
exit(1);
}

3
qemu-nbd.c
View File

@ -711,8 +711,7 @@ int main(int argc, char **argv)
if (qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach,
NULL, &local_err)) {
error_report_err(local_err);
NULL, NULL)) {
exit(EXIT_FAILURE);
}

4
qom/object_interfaces.c
View File

@ -170,6 +170,7 @@ int user_creatable_add_opts_foreach(void *opaque, QemuOpts *opts, Error **errp)
{
bool (*type_predicate)(const char *) = opaque;
Object *obj = NULL;
Error *err = NULL;
const char *type;
type = qemu_opt_get(opts, "qom-type");
@ -178,8 +179,9 @@ int user_creatable_add_opts_foreach(void *opaque, QemuOpts *opts, Error **errp)
return 0;
}
obj = user_creatable_add_opts(opts, errp);
obj = user_creatable_add_opts(opts, &err);
if (!obj) {
error_report_err(err);
return -1;
}
object_unref(obj);

3
replay/replay.c
View File

@ -275,7 +275,7 @@ void replay_configure(QemuOpts *opts)
rr = qemu_opt_get(opts, "rr");
if (!rr) {
/* Just enabling icount */
return;
goto out;
} else if (!strcmp(rr, "record")) {
mode = REPLAY_MODE_RECORD;
} else if (!strcmp(rr, "replay")) {
@ -293,6 +293,7 @@ void replay_configure(QemuOpts *opts)
replay_enable(fname, mode);
out:
loc_pop(&loc);
}

6
util/qemu-option.c
View File

@ -1108,19 +1108,19 @@ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
{
Location loc;
QemuOpts *opts;
int rc;
int rc = 0;
loc_push_none(&loc);
QTAILQ_FOREACH(opts, &list->head, next) {
loc_restore(&opts->loc);
rc = func(opaque, opts, errp);
if (rc) {
return rc;
break;
}
assert(!errp || !*errp);
}
loc_pop(&loc);
return 0;
return rc;
}
static size_t count_opts_list(QemuOptsList *list)

6
vl.c
View File

@ -4291,8 +4291,7 @@ int main(int argc, char **argv, char **envp)
if (qemu_opts_foreach(qemu_find_opts("object"),
user_creatable_add_opts_foreach,
object_create_initial, &err)) {
error_report_err(err);
object_create_initial, NULL)) {
exit(1);
}
@ -4410,8 +4409,7 @@ int main(int argc, char **argv, char **envp)
if (qemu_opts_foreach(qemu_find_opts("object"),
user_creatable_add_opts_foreach,
object_create_delayed, &err)) {
error_report_err(err);
object_create_delayed, NULL)) {
exit(1);
}