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-rw-r--r--arch/s390/kernel/sthyi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/sthyi.c b/arch/s390/kernel/sthyi.c
index 4d141e2c132e..2ea7f208f0e7 100644
--- a/arch/s390/kernel/sthyi.c
+++ b/arch/s390/kernel/sthyi.c
@@ -459,9 +459,9 @@ static int sthyi_update_cache(u64 *rc)
*
* Fills the destination with system information returned by the STHYI
* instruction. The data is generated by emulation or execution of STHYI,
- * if available. The return value is the condition code that would be
- * returned, the rc parameter is the return code which is passed in
- * register R2 + 1.
+ * if available. The return value is either a negative error value or
+ * the condition code that would be returned, the rc parameter is the
+ * return code which is passed in register R2 + 1.
*/
int sthyi_fill(void *dst, u64 *rc)
{