pcmcia: i82092: fix a null pointer dereference bug
authorZheyu Ma <zheyuma97@gmail.com>
Tue, 22 Jun 2021 07:11:31 +0000 (07:11 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Aug 2021 11:21:03 +0000 (13:21 +0200)
commit e39cdacf2f664b09029e7c1eb354c91a20c367af upstream.

During the driver loading process, the 'dev' field was not assigned, but
the 'dev' field was referenced in the subsequent 'i82092aa_set_mem_map'
function.

Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
CC: <stable@vger.kernel.org>
[linux@dominikbrodowski.net: shorten commit message, add Cc to stable]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/pcmcia/i82092.c

index 245d60189375ab202acf557f64dc5d810aaa94f5..7a43d4ca79292b232ac09586259c406fc3ba1e1d 100644 (file)
@@ -106,6 +106,7 @@ static int i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *i
        for (i = 0;i<socket_count;i++) {
                sockets[i].card_state = 1; /* 1 = present but empty */
                sockets[i].io_base = pci_resource_start(dev, 0);
+               sockets[i].dev = dev;
                sockets[i].socket.features |= SS_CAP_PCCARD;
                sockets[i].socket.map_size = 0x1000;
                sockets[i].socket.irq_mask = 0;