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staging: mei: fix possible usage of uninitialized variable

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Fix warning: reported in http://marc.info/?l=linux-kernel&m=130812960402606&w=2

drivers/staging/mei/interrupt.c: warning: 'buffer' may be used uninitialized in this function:  => 198

It is a real issue and wrong path in execution is taken when
list is empty or (cl && _mei_irq_thread_state_ok(cl, mei_hdr))
evaluates to false

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tomas Winkler 2011-06-16 00:46:03 +03:00 committed by Greg Kroah-Hartman
parent 0288c7c975
commit 479bc59d88
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/mei/interrupt.c
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@ -195,7 +195,7 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list,
{
struct mei_cl *cl;
struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL;
unsigned char *buffer;
unsigned char *buffer = NULL;
dev_dbg(&dev->pdev->dev, "start client msg\n");
if (!(dev->read_list.status == 0 &&