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authorHeiko Carstens <heiko.carstens@de.ibm.com>2013-04-29 10:58:56 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-05-02 15:50:19 +0200
commit12d8471315e01f0663a45fa5b4ae2fc0f38d1dea (patch)
tree86810b82cd8fb41b4d00ff6419f6e42e9a8e8f54
parent20b4fb485227404329e41ad15588afad3df23050 (diff)
downloadlinux-next-12d8471315e01f0663a45fa5b4ae2fc0f38d1dea.tar.gz
s390/uaccess: add "fallthrough" comments
Add "fallthrough" comments so nobody wonders if a break statement is missing. Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/lib/uaccess_pt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 466fb3383960..50ea137a2d3c 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -89,16 +89,19 @@ static unsigned long follow_table(struct mm_struct *mm,
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x39UL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+ /* fallthrough */
case _ASCE_TYPE_REGION2:
table = table + ((address >> 42) & 0x7ff);
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x3aUL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+ /* fallthrough */
case _ASCE_TYPE_REGION3:
table = table + ((address >> 31) & 0x7ff);
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x3bUL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
+ /* fallthrough */
case _ASCE_TYPE_SEGMENT:
table = table + ((address >> 20) & 0x7ff);
if (unlikely(*table & _SEGMENT_ENTRY_INV))