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path: root/drivers/pcmcia/cistpl.c
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Diffstat (limited to 'drivers/pcmcia/cistpl.c')
-rw-r--r--drivers/pcmcia/cistpl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 884a984216fe..4ff725ca2c74 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -168,9 +168,12 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
} else {
u_int inc = 1, card_offset, flags;
- if (addr > CISTPL_MAX_CIS_SIZE)
+ if (addr > CISTPL_MAX_CIS_SIZE) {
dev_dbg(&s->dev,
"attempt to read CIS mem at addr %#x", addr);
+ memset(ptr, 0xff, len);
+ return -1;
+ }
flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
if (attr) {