staging: rts_pstor: potential NULL dereference

pci_get_bus_and_slot() may return NULL, but the caller checks wrong variable. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Feb 4, 2011 · 37af07d · 37af07d
1 parent 4b906e5
commit 37af07d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c
@@ -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);