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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>
This commit is contained in:
Zheyu Ma 2021-06-22 07:11:31 +00:00 committed by Greg Kroah-Hartman
parent 42ac2c6348
commit 790cb68d35
1 changed files with 1 additions and 0 deletions
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drivers/pcmcia/i82092.c
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@ -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;