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lguest: fix occasional crash in example launcher.

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commit ca16f580a5 upstream.

We usually got away with ->next on the final entry being NULL, but it
finally bit me.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rusty Russell 2012-10-04 12:03:25 +09:30 committed by Greg Kroah-Hartman
parent b4ee9f0173
commit 827b6f1473
1 changed files with 1 additions and 0 deletions
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tools/lguest/lguest.c
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@ -1299,6 +1299,7 @@ static struct device *new_device(const char *name, u16 type)
dev->feature_len = 0;
dev->num_vq = 0;
dev->running = false;
dev->next = NULL;
/*
* Append to device list. Prepending to a single-linked list is