[PATCH] pcmcia: missing pcmcia_get_socket() result check
The result of pcmcia_get_socket() may be NULL but ds_event() uses it
without checking.
Coverity CID: 436.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 48d3b3d..74b3124 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1143,6 +1143,12 @@
{
struct pcmcia_socket *s = pcmcia_get_socket(skt);
+ if (!s) {
+ printk(KERN_ERR "PCMCIA obtaining reference to socket %p " \
+ "failed, event 0x%x lost!\n", skt, event);
+ return -ENODEV;
+ }
+
ds_dbg(1, "ds_event(0x%06x, %d, 0x%p)\n",
event, priority, skt);