2022-10-20 12:21:54

by ye xingchen

Subject: [PATCH linux-next] ia64: Replace IS_ERR() with IS_ERR_VALUE()

From: ye xingchen <[email protected]>

Avoid type casts that are needed for IS_ERR() and use
IS_ERR_VALUE() instead.

Signed-off-by: ye xingchen <[email protected]>
---
arch/ia64/kernel/sys_ia64.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 215bf3f8cb20..f6a502e8f02c 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -140,7 +140,7 @@ asmlinkage unsigned long
sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
{
addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
- if (!IS_ERR((void *) addr))
+ if (!IS_ERR_VALUE(addr))
force_successful_syscall_return();
return addr;
}
@@ -152,7 +152,7 @@ sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, lo
return -EINVAL;

addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
- if (!IS_ERR((void *) addr))
+ if (!IS_ERR_VALUE(addr))
force_successful_syscall_return();
return addr;
}
@@ -162,7 +162,7 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
unsigned long new_addr)
{
addr = sys_mremap(addr, old_len, new_len, flags, new_addr);
- if (!IS_ERR((void *) addr))
+ if (!IS_ERR_VALUE(addr))
force_successful_syscall_return();
return addr;
}
--
2.25.1

2022-10-20 19:22:17

by Sergei Trofimovich

Subject: Re: [PATCH linux-next] ia64: Replace IS_ERR() with IS_ERR_VALUE()

On Thu, 20 Oct 2022 11:30:04 +0000
[email protected] wrote:

> From: ye xingchen <[email protected]>
>
> Avoid type casts that are needed for IS_ERR() and use
> IS_ERR_VALUE() instead.

Looks good to me!

Signed-off-by: Sergei Trofimovich <[email protected]>

> Signed-off-by: ye xingchen <[email protected]>
> ---
> arch/ia64/kernel/sys_ia64.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
> index 215bf3f8cb20..f6a502e8f02c 100644
> --- a/arch/ia64/kernel/sys_ia64.c
> +++ b/arch/ia64/kernel/sys_ia64.c
> @@ -140,7 +140,7 @@ asmlinkage unsigned long
> sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
> {
> addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
> - if (!IS_ERR((void *) addr))
> + if (!IS_ERR_VALUE(addr))
> force_successful_syscall_return();
> return addr;
> }
> @@ -152,7 +152,7 @@ sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, lo
> return -EINVAL;
>
> addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
> - if (!IS_ERR((void *) addr))
> + if (!IS_ERR_VALUE(addr))
> force_successful_syscall_return();
> return addr;
> }
> @@ -162,7 +162,7 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
> unsigned long new_addr)
> {
> addr = sys_mremap(addr, old_len, new_len, flags, new_addr);
> - if (!IS_ERR((void *) addr))
> + if (!IS_ERR_VALUE(addr))
> force_successful_syscall_return();
> return addr;
> }
> --
> 2.25.1
>


--

Sergei