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ofp-parse: Properly report error for invalid group ID.

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The inner 'error' shadowed an outer one, so that the error, when set, was
never returned to the caller.

Found by LLVM scan-build.

Reported-by: Kevin Lo <kevlo@FreeBSD.org>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
This commit is contained in:
Ben Pfaff
2015-04-16 13:56:46 -07:00
parent 9dd30b0571
commit aa6fb0772f
2 changed files with 6 additions and 1 deletions
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2
lib/ofp-parse.c
View File

@@ -1356,7 +1356,7 @@ parse_ofp_group_mod_str__(struct ofputil_group_mod *gm, uint16_t command,
if(!strcmp(value, "all")) {
gm->group_id = OFPG_ALL;
} else {
char *error = str_to_u32(value, &gm->group_id);
error = str_to_u32(value, &gm->group_id);
if (error) {
goto out;
}

5
tests/ofproto.at
View File

@@ -313,6 +313,11 @@ AT_CHECK([ovs-ofctl -O OpenFlow11 -vwarn dump-groups br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_GROUP_DESC reply (OF1.1):
])
# Negative test.
AT_CHECK([ovs-ofctl -O OpenFlow11 -vwarn del-groups br0 group_id=0xfffffff0],
[1], [], [ovs-ofctl: invalid group id 4294967280
])
OVS_VSWITCHD_STOP
AT_CLEANUP