openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

dns: remove redundant zero length namelen check 

The zero namelen check is redundant as it has already been checked
for zero at the start of the function.  Remove the redundant check.

Addresses-Coverity: ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2019-04-09 13:59:12 +01:00 committed by David S. Miller
parent 909620ff72
commit 62720b12d2
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/dns_resolver/dns_query.c
View File

@ -94,8 +94,6 @@ int dns_query(const char *type, const char *name, size_t namelen,
desclen += typelen + 1;
}
if (!namelen)
namelen = strnlen(name, 256);
if (namelen < 3 || namelen > 255)
return -EINVAL;
desclen += namelen + 1;