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target/configfs: handle match_int() errors

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As a follow up to ce31c1b0dc - there are
still a few LIO match_int() calls that don't check the return value.
Propagate errors rather than using the potentially uninitialised result.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
David Disseldorp 2015-07-12 18:49:18 +02:00 committed by Nicholas Bellinger
parent 9105bfc038
commit c20910264c
1 changed files with 24 additions and 8 deletions
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32
drivers/target/target_core_configfs.c
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@ -1658,22 +1658,32 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
* PR APTPL Metadata for Reservation
*/
case Opt_res_holder:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
res_holder = arg;
break;
case Opt_res_type:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
type = (u8)arg;
break;
case Opt_res_scope:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
break;
case Opt_res_all_tg_pt:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
all_tg_pt = (int)arg;
break;
case Opt_mapped_lun:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
mapped_lun = (u64)arg;
break;
/*
@ -1701,14 +1711,20 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
}
break;
case Opt_tpgt:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
tpgt = (u16)arg;
break;
case Opt_port_rtpi:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
break;
case Opt_target_lun:
match_int(args, &arg);
ret = match_int(args, &arg);
if (ret)
goto out;
target_lun = (u64)arg;
break;
default: