[PATCH] fix pcmcia crash with hostap

03cf33ae · Alan Cox · Linus Torvalds · 2ebfbd69 · 03cf33ae
Commit 03cf33ae authored Mar 21, 2003 by Alan Cox Committed by Linus Torvalds Mar 21, 2003
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drivers/pcmcia/cs.c drivers/pcmcia/cs.c +4 -0

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--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -895,6 +895,10 @@ int pcmcia_access_configuration_register(client_handle_t handle,
 	c = &s->config[reg->Function];
    } else
 	c = CONFIG(handle);
+
+    if (c == NULL)
+	return CS_NO_CARD;
+
    if (!(c->state & CONFIG_LOCKED))
 	return CS_CONFIGURATION_LOCKED;