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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>
This commit is contained in:
Max Reitz 2013-12-20 19:28:06 +01:00 committed by Kevin Wolf
parent adf5c449e5
commit 85a040e548
1 changed files with 19 additions and 17 deletions
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36
block/blkdebug.c
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@ -273,21 +273,23 @@ static void remove_rule(BlkdebugRule *rule)
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 @@ static int read_config(BDRVBlkdebugState *s, const char *filename, Error **errp)
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 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
/* 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 */