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asus-wmi: potential NULL dereference in show_call()

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In the earlier check we assumed that "obj" could be NULL.  I looked at
some of the other places that call evaluate_object() and they check
for NULL as well.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Dan Carpenter 2011-03-15 10:07:37 +03:00 committed by Matthew Garrett
parent 0986f25fbb
commit a1d6086739
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/x86/asus-wmi.c
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@ -1343,7 +1343,7 @@ static int show_call(struct seq_file *m, void *data)
else
seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
asus->debug.dev_id, asus->debug.ctrl_param,
obj->type);
obj ? obj->type : -1);
kfree(obj);