Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-18 10:01:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

RDMA/hns: Prevent le32 from being implicitly converted to u32

Browse Source 
Replace BUILD_BUG_ON_ZERO() with BUILD_BUG_ON() to avoid sparse
complaining "restricted __le32 degrades to integer".

Link: https://lore.kernel.org/r/1617354454-47840-10-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Lang Cheng 2021-04-02 17:07:34 +08:00 committed by Jason Gunthorpe
parent 782832f254
commit 69455df04e
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/infiniband/hw/hns/hns_roce_common.h
View File

@ -48,7 +48,8 @@
#define roce_set_field(origin, mask, shift, val) \
do { \
(origin) &= ~cpu_to_le32(mask); \
(origin) |= cpu_to_le32(((u32)(val) << (u32)(shift)) & (mask)); \
(origin) |= \
cpu_to_le32(((u32)(val) << (u32)(shift)) & (mask)); \
} while (0)
#define roce_set_bit(origin, shift, val) \
@ -59,9 +60,9 @@
#define _hr_reg_enable(ptr, field_type, field_h, field_l) \
({ \
const field_type *_ptr = ptr; \
*((__le32 *)_ptr + (field_h) / 32) |= \
cpu_to_le32(BIT((field_l) % 32)) + \
BUILD_BUG_ON_ZERO((field_h) != (field_l)); \
*((__le32 *)_ptr + (field_h) / 32) |= cpu_to_le32( \
BIT((field_l) % 32) + \
BUILD_BUG_ON_ZERO((field_h) != (field_l))); \
})
#define hr_reg_enable(ptr, field) _hr_reg_enable(ptr, field)
@ -69,11 +70,9 @@
#define _hr_reg_clear(ptr, field_type, field_h, field_l) \
({ \
const field_type *_ptr = ptr; \
BUILD_BUG_ON(((field_h) / 32) != ((field_l) / 32)); \
*((__le32 *)_ptr + (field_h) / 32) &= \
cpu_to_le32( \
~GENMASK((field_h) % 32, (field_l) % 32)) + \
BUILD_BUG_ON_ZERO(((field_h) / 32) != \
((field_l) / 32)); \
~cpu_to_le32(GENMASK((field_h) % 32, (field_l) % 32)); \
})
#define hr_reg_clear(ptr, field) _hr_reg_clear(ptr, field)