Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 43/54] pcmcia: i82092: fix a null pointer dereference bug | Date | Tue, 10 Aug 2021 19:30:37 +0200 |
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From: Zheyu Ma <zheyuma97@gmail.com>
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 | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -105,6 +105,7 @@ static int i82092aa_pci_probe(struct pci 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;
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