summaryrefslogtreecommitdiff
path: root/drivers/misc/mic/scif/scif_rma.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-23 01:46:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-23 01:46:24 +0300
commitbb27d4998a9e8767674e8eda225c82cc149e5bc8 (patch)
treedcabb8b8cc510003637323b30ed414b1a1ec86f6 /drivers/misc/mic/scif/scif_rma.c
parent9676e84dfd641e3366a41f2c45ac5c55dbac820f (diff)
parent35bf7692e765c2275bf93fe573f7ca868ab73453 (diff)
downloadlinux-bb27d4998a9e8767674e8eda225c82cc149e5bc8.tar.xz
Merge char-misc-next into staging-next
This resolves the merge issues and confusions people were having with the goldfish drivers due to changes for them showing up in two different trees. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mic/scif/scif_rma.c')
-rw-r--r--drivers/misc/mic/scif/scif_rma.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c
index 8310b4dbff06..6a451bd65bf3 100644
--- a/drivers/misc/mic/scif/scif_rma.c
+++ b/drivers/misc/mic/scif/scif_rma.c
@@ -1511,7 +1511,7 @@ off_t scif_register_pinned_pages(scif_epd_t epd,
if ((map_flags & SCIF_MAP_FIXED) &&
((ALIGN(offset, PAGE_SIZE) != offset) ||
(offset < 0) ||
- (offset + (off_t)len < offset)))
+ (len > LONG_MAX - offset)))
return -EINVAL;
might_sleep();
@@ -1614,7 +1614,7 @@ off_t scif_register(scif_epd_t epd, void *addr, size_t len, off_t offset,
if ((map_flags & SCIF_MAP_FIXED) &&
((ALIGN(offset, PAGE_SIZE) != offset) ||
(offset < 0) ||
- (offset + (off_t)len < offset)))
+ (len > LONG_MAX - offset)))
return -EINVAL;
/* Unsupported protection requested */
@@ -1732,7 +1732,8 @@ scif_unregister(scif_epd_t epd, off_t offset, size_t len)
/* Offset is not page aligned or offset+len wraps around */
if ((ALIGN(offset, PAGE_SIZE) != offset) ||
- (offset + (off_t)len < offset))
+ (offset < 0) ||
+ (len > LONG_MAX - offset))
return -EINVAL;
err = scif_verify_epd(ep);