blkdebug: Always call read_config()
Move the check whether there actually is a config file into the
read_config() function.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/blkdebug.c b/block/blkdebug.c
index fab76ce..acf23f2 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -273,21 +273,23 @@
static int read_config(BDRVBlkdebugState *s, const char *filename, Error **errp)
{
- FILE *f;
+ FILE *f = NULL;
int ret;
struct add_rule_data d;
- f = fopen(filename, "r");
- if (f == NULL) {
- error_setg_errno(errp, errno, "Could not read blkdebug config file");
- return -errno;
- }
+ if (filename) {
+ f = fopen(filename, "r");
+ if (f == NULL) {
+ error_setg_errno(errp, errno, "Could not read blkdebug config file");
+ return -errno;
+ }
- ret = qemu_config_parse(f, config_groups, filename);
- if (ret < 0) {
- error_setg(errp, "Could not parse blkdebug config file");
- ret = -EINVAL;
- goto fail;
+ ret = qemu_config_parse(f, config_groups, filename);
+ if (ret < 0) {
+ error_setg(errp, "Could not parse blkdebug config file");
+ ret = -EINVAL;
+ goto fail;
+ }
}
d.s = s;
@@ -301,7 +303,9 @@
fail:
qemu_opts_reset(&inject_error_opts);
qemu_opts_reset(&set_state_opts);
- fclose(f);
+ if (f) {
+ fclose(f);
+ }
return ret;
}
@@ -374,11 +378,9 @@
/* Read rules from config file */
config = qemu_opt_get(opts, "config");
- if (config) {
- ret = read_config(s, config, errp);
- if (ret) {
- goto fail;
- }
+ ret = read_config(s, config, errp);
+ if (ret) {
+ goto fail;
}
/* Set initial state */