HiSax: fix error checking for hisax_register()]

This patch (as875) adds error-checking to the callers of hisax_register().
It also changes an error pathway in that routine, making it return an error
code rather than 0.

This fixes Bugzilla #7960.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Karsten Keil <kkeil@suse.de>
Cc: Martin Bachem <info@colognechip.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index da4196f21e0f..8d53a7fd2671 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -1551,7 +1551,7 @@ int hisax_register(struct hisax_d_if *hisax_d_if, struct hisax_b_if *b_if[],
         if (retval == 0) { // yuck
                 cards[i].typ = 0;
                 nrcards--;
-                return retval;
+                return -EINVAL;
         }
         cs = cards[i].cs;
         hisax_d_if->cs = cs;