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authorAndreas Färber <afaerber@suse.de>2012-02-17 02:47:44 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2012-02-17 09:58:21 -0600
commit4ed658ca925249021789d6a51fd6f99f68213f28 (patch)
tree44158198e9a6ed5dcc15a36fc984ef3c5f35534b /cutils.c
parent438e1c79f196f0bc9411ef8183f9906e0efbd578 (diff)
qdev: Fix qdev_try_create() semantics
Since QOM'ification, qdev_try_create() uses object_new() internally, which asserts "type != NULL" when the type is not registered. This was revealed by the combination of kvmclock's kvm_enabled() check and early QOM type registration. Check whether the class exists before calling object_new(), so that the caller (e.g., qdev_create) can fail gracefully, telling us which device could not be created. Signed-off-by: Andreas Färber <afaerber@suse.de> Cc: Anthony Liguori <aliguori@codemonkey.ws> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'cutils.c')
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