aboutsummaryrefslogtreecommitdiffstats
path: root/lib/iommu-common.c
diff options
context:
space:
mode:
authorSowmini Varadhan <sowmini.varadhan@oracle.com>2015-08-06 22:46:39 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2015-08-07 01:39:41 (GMT)
commit447f6a95a9c80da7faaec3e66e656eab8f262640 (patch)
treeafaa0a4191056cf029161d5e45cbf30bae27d8e5 /lib/iommu-common.c
parent3e810ae2db76ccde770fd8e5a0de6408ea36e211 (diff)
lib/iommu-common.c: do not use 0xffffffffffffffffl for computing align_mask
Using a 64 bit constant generates "warning: integer constant is too large for 'long' type" on 32 bit platforms. Instead use ~0ul and BITS_PER_LONG. Detected by Andrew Morton on ARMD. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David S. Miller <davem@davemloft.net> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/iommu-common.c')
-rw-r--r--lib/iommu-common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index df30632..ff19f66 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -119,7 +119,7 @@ unsigned long iommu_tbl_range_alloc(struct device *dev,
unsigned long align_mask = 0;
if (align_order > 0)
- align_mask = 0xffffffffffffffffl >> (64 - align_order);
+ align_mask = ~0ul >> (BITS_PER_LONG - align_order);
/* Sanity check */
if (unlikely(npages == 0)) {

Privacy Policy