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c0d5b0c721
linux/arch/sparc/mm
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Mike Rapoport c0d5b0c721 sparc32: srmmu: improve type safety of __nocache_fix() 
The __nocache_fix(VADDR) macro is used to add an offset for pointers and
its "return type" is 'void *'.

We can do better and keep the type information with simply by casting the
return value to (__typeof__(VADDR)).

This will  ".. show when those pgd/p4d/pud pointers get mis-used because
they don't end up dropping the type info.."

The addition of the casting to __nocache_fix() also allows to remove
explicit casts at its call sites.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lkml.kernel.org/r/CAHk-=wisORTa7QVPnFqNw9pFs62UiwgsD4C4d=MtYy1o4JPyGQ@mail.gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21 18:25:59 -07:00
..
extable.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fault_32.c mmap locking API: convert mmap_sem API comments 2020-06-09 09:39:14 -07:00
fault_64.c mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
highmem.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
hugetlbpage.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
hypersparc.S sparc32: mm: Restructure sparc32 MMU page-table layout 2020-05-13 15:32:00 -07:00
init_32.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
init_64.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
init_64.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io-unit.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
iommu.c mm: pgtable: add shortcuts for accessing kernel PMD and PTE 2020-06-09 09:39:13 -07:00
leon_mm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile sparc64: use the generic get_user_pages_fast code 2019-07-12 11:05:44 -07:00
mm_32.h sparc32: use per-device dma_ops 2020-04-02 18:11:55 -07:00
srmmu_access.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srmmu.c sparc32: srmmu: improve type safety of __nocache_fix() 2020-07-21 18:25:59 -07:00
swift.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tlb.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
tsb.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
tsunami.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ultra.S mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
viking.S sparc32: mm: Restructure sparc32 MMU page-table layout 2020-05-13 15:32:00 -07:00