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drivers: remoteproc: rproc-uclass: Fix check for NULL pointers

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Neither uc_pdata->name nor check_name are supposed to be NULL in
_rproc_name_is_unique(). if uc_pdata->name is NULL, we are not
intialized yet, however if check_data is NULL, we do not have
proper data. Further, if either were NULL, strlen will crap out
while attempting to derefence NULL.

Instead, just check if either of these are NULL and bail out.

This should also fix the following coverity scan warnings:
*** CID 132281:  Null pointer dereferences  (FORWARD_NULL)
/drivers/remoteproc/rproc-uclass.c: 73 in _rproc_name_is_unique()

Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Nishanth Menon 2015-11-30 22:05:58 -06:00 committed by Tom Rini
parent 5be9356926
commit 9cb05a8f9f
1 changed files with 1 additions and 1 deletions
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2
drivers/remoteproc/rproc-uclass.c
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@ -66,7 +66,7 @@ static int _rproc_name_is_unique(struct udevice *dev,
const char *check_name = data; const char *check_name = data;
/* devices not yet populated with data - so skip them */ /* devices not yet populated with data - so skip them */
if (!uc_pdata->name && check_name) if (!uc_pdata->name || !check_name)
return 0; return 0;
/* Return 0 to search further if we dont match */ /* Return 0 to search further if we dont match */