[klibc] valgrind: netdev_sif_addr fix unitialized valgrind error
memset struct sockaddr_in sin and thus get a clean valgrind ipconfig run.
Fixes:
==15636== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)
==15636==
==15636== 1 errors in context 1 of 3:
==15636== Syscall param ioctl(SIOCSIF*ADDR) points to uninitialised byte(s)
==15636== at 0x403EB1: __syscall_common (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x401859: netdev_setaddress (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x30687464: ???
==15636== Address 0x7fefffb02 is on thread 1's stack
==15636==
==15636==
==15636== 1 errors in context 2 of 3:
==15636== Syscall param ioctl(SIOCSIF*ADDR) points to uninitialised byte(s)
==15636== at 0x403EB1: __syscall_common (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x40180D: netdev_setaddress (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x30687464: ???
==15636== Address 0x7fefffb02 is on thread 1's stack
==15636==
==15636==
==15636== 1 errors in context 3 of 3:
==15636== Syscall param ioctl(SIOCSIF*ADDR) points to uninitialised byte(s)
==15636== at 0x403EB1: __syscall_common (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x4017C8: netdev_setaddress (in /home/maks/src/klibc-latest/usr/kinit/ipconfig/static/ipconfig.g)
==15636== by 0x30687464: ???
==15636== Address 0x7fefffb02 is on thread 1's stack
==15636==
==15636== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)
Signed-off-by: maximilian attems <max@stro.at>
diff --git a/usr/kinit/ipconfig/netdev.c b/usr/kinit/ipconfig/netdev.c
index 6e3014f..e203d0c 100644
--- a/usr/kinit/ipconfig/netdev.c
+++ b/usr/kinit/ipconfig/netdev.c
@@ -43,6 +43,7 @@
{
struct sockaddr_in sin;
+ memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = addr;
