diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/kernel/diag.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index 9f33dcecbffa..9b65f04c83de 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -185,6 +185,8 @@ int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode) } EXPORT_SYMBOL(diag14); +#define DIAG204_BUSY_RC 8 + static inline int __diag204(unsigned long *subcode, unsigned long size, void *addr) { union register_pair rp = { .even = *subcode, .odd = size }; @@ -223,7 +225,9 @@ int diag204(unsigned long subcode, unsigned long size, void *addr) addr = (void *)pfn_to_phys(vmalloc_to_pfn(addr)); diag_stat_inc(DIAG_STAT_X204); size = __diag204(&subcode, size, addr); - if (subcode) + if (subcode == DIAG204_BUSY_RC) + return -EBUSY; + else if (subcode) return -EOPNOTSUPP; return size; } |