From: Harald Freudenberger <fre...@linux.ibm.com>

[ Upstream commit 6b1f16ba730d4c0cda1247568c3a1bf4fa3a2f2f ]

The debug feature entries have been used with up to 5 arguents
(including the pointer to the format string) but there was only
space reserved for 4 arguemnts. So now the registration does
reserve space for 5 times a long value.

This fixes a sometime appearing weired value as the last
value of an debug feature entry like this:

... pkey_sec2protkey zcrypt_send_cprb (cardnr=10 domain=12)
   failed with errno -2143346254

Signed-off-by: Harald Freudenberger <fre...@linux.ibm.com>
Reported-by: Christian Rund <christian.r...@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidef...@de.ibm.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/s390/crypto/pkey_api.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 1b4001e0285f..b16344479959 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -45,7 +45,8 @@ static debug_info_t *debug_info;
 
 static void __init pkey_debug_init(void)
 {
-       debug_info = debug_register("pkey", 1, 1, 4 * sizeof(long));
+       /* 5 arguments per dbf entry (including the format string ptr) */
+       debug_info = debug_register("pkey", 1, 1, 5 * sizeof(long));
        debug_register_view(debug_info, &debug_sprintf_view);
        debug_set_level(debug_info, 3);
 }
-- 
2.20.1

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