Fix segfault on screendump with -nographic
authorAlexander Graf <agraf@suse.de>
Thu, 26 May 2011 21:50:33 +0000 (23:50 +0200)
committerAlexander Graf <agraf@suse.de>
Fri, 3 Jun 2011 10:42:19 +0000 (12:42 +0200)
commit78645e35315f163eff823d35cdbd85484781c853
tree4d4a83d902ed20e309ce5b11f4e68e9b85d7466c
parentd69a7956df850550c4dbf5a803a20dbc7d8cf3dc
Fix segfault on screendump with -nographic

When running -nographic and calling "screendump" on the monitor, qemu
segfaults. Fix the invalid pointer dereference by checking for NULL.

Signed-off-by: Alexander Graf <agraf@suse.de>
console.c