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Commit 37af07d1 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by Greg Kroah-Hartman
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staging: rts_pstor: potential NULL dereference



pci_get_bus_and_slot() may return NULL, but the caller checks
wrong variable.

Signed-off-by: default avatarVasiliy Kulikov <segoon@openwall.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4b906e58
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+1 −1
Original line number Diff line number Diff line
@@ -334,7 +334,7 @@ int rtsx_read_pci_cfg_byte(u8 bus, u8 dev, u8 func, u8 offset, u8 *val)
	u8 devfn = (dev << 3) | func;

	pdev = pci_get_bus_and_slot(bus, devfn);
	if (!dev)
	if (!pdev)
		return -1;

	pci_read_config_byte(pdev, offset, &data);