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path: root/drivers/char/lp.c
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Diffstat (limited to 'drivers/char/lp.c')
-rw-r--r--drivers/char/lp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 565e4cf04a02..8249762192d5 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -859,7 +859,11 @@ static int __init lp_setup (char *str)
} else if (!strcmp(str, "auto")) {
parport_nr[0] = LP_PARPORT_AUTO;
} else if (!strcmp(str, "none")) {
- parport_nr[parport_ptr++] = LP_PARPORT_NONE;
+ if (parport_ptr < LP_NO)
+ parport_nr[parport_ptr++] = LP_PARPORT_NONE;
+ else
+ printk(KERN_INFO "lp: too many ports, %s ignored.\n",
+ str);
} else if (!strcmp(str, "reset")) {
reset = 1;
}