s390/pai_crypto: return proper error code in paicrypt_init

paicrypt_init() return incorrect error code in case the number
of PAI crypto counters is too high. Change the return code to
-E2BIG.

Please merge with d0b0efedc7fe

Reported-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/kernel/perf_pai_crypto.c b/arch/s390/kernel/perf_pai_crypto.c
index ffde6d5001b797b712e4a822eb2dcee62fe2651c..7e7472aee4e56bcc5d98f71f81b8bfcdd55d444f 100644 (file)
--- a/arch/s390/kernel/perf_pai_crypto.c
+++ b/arch/s390/kernel/perf_pai_crypto.c
@@ -749,7 +749,7 @@ static int __init paicrypt_init(void)
                return 0;
        if (paicrypt_cnt >= PAI_CRYPTO_MAXCTR) {
                pr_err("Too many PMU pai_crypto counters %d\n", paicrypt_cnt);
-               return -1;
+               return -E2BIG;
        }
 
        rc = attr_event_init();         /* Export known PAI crypto events */