Local variables 'l' and 'sz' are uninitialized. Normally, they would be initialized by pci_read_config_dword() but when an error occurs, some drivers immediately return an error code, which leaves the argument uninitialized.
Provide a safe initial value to make the code more robust. Signed-off-by: Marc Gonzalez <[email protected]> --- drivers/pci/probe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index d266d800f246..6fb929bd7040 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -175,7 +175,7 @@ static inline unsigned long decode_bar(struct pci_dev *dev, u32 bar) int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, struct resource *res, unsigned int pos) { - u32 l, sz, mask; + u32 l = 0, sz = 0, mask; u64 l64, sz64, mask64; u16 orig_cmd; struct pci_bus_region region, inverted_region; -- 2.11.0
