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authorZheyu Ma <zheyuma97@gmail.com>2021-06-22 10:11:31 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-08-15 14:03:32 +0300
commit75a8a40d881102973124ad38bd9c1f79f9ab2331 (patch)
tree62cd49b67ad484df64a70099daba3b37004289c6
parent1ff630a6b8853e68a2b3f18eee5ee305e5a010aa (diff)
downloadlinux-75a8a40d881102973124ad38bd9c1f79f9ab2331.tar.xz
pcmcia: i82092: fix a null pointer dereference bug
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>
-rw-r--r--drivers/pcmcia/i82092.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index aae7e6df99cd..ba13e3c3d6b8 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -105,6 +105,7 @@ 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;