summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChen Gang <chengang@emindsoft.com.cn>2016-08-02 14:03:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-02 19:35:02 -0400
commit949bed2f5764435715e3d6dd3ab6dd4dbd890a71 (patch)
tree8d0d2b5fe337c8ff04d3818a74495ce0daae99c9
parentbd804ba12525c13a096f64f305a169c654a706e7 (diff)
include: mman: use bool instead of int for the return value of arch_validate_prot
For pure bool function's return value, bool is a little better more or less than int. Link: http://lkml.kernel.org/r/1469331815-2026-1-git-send-email-chengang@emindsoft.com.cn Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/powerpc/include/asm/mman.h8
-rw-r--r--include/linux/mman.h2
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 2563c435a4b1..fc420cedecae 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -31,13 +31,13 @@ static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
}
#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-static inline int arch_validate_prot(unsigned long prot)
+static inline bool arch_validate_prot(unsigned long prot)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
- return 0;
+ return false;
if ((prot & PROT_SAO) && !cpu_has_feature(CPU_FTR_SAO))
- return 0;
- return 1;
+ return false;
+ return true;
}
#define arch_validate_prot(prot) arch_validate_prot(prot)
diff --git a/include/linux/mman.h b/include/linux/mman.h
index 33e17f6a327a..634c4c51fe3a 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -49,7 +49,7 @@ static inline void vm_unacct_memory(long pages)
*
* Returns true if the prot flags are valid
*/
-static inline int arch_validate_prot(unsigned long prot)
+static inline bool arch_validate_prot(unsigned long prot)
{
return (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM)) == 0;
}