diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2022-06-07 01:42:59 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2022-06-07 23:18:08 +0300 |
| commit | 0e3c3b901c00364198d31482fa2552ccf2d5c899 (patch) | |
| tree | 183000d0206ce0fc5c925d1f23819988a853b63e /arch/powerpc | |
| parent | f2906aa863381afb0015a9eb7fefad885d4e5a56 (diff) | |
| download | linux-0e3c3b901c00364198d31482fa2552ccf2d5c899.tar.xz | |
No need of likely/unlikely on calls of check_copy_size()
it's inline and unlikely() inside of it (including the implicit one
in WARN_ON_ONCE()) suffice to convince the compiler that getting
false from check_copy_size() is unlikely.
Spotted-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 9b82b38ff867..105f200b1e31 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -348,7 +348,7 @@ copy_mc_to_kernel(void *to, const void *from, unsigned long size) static inline unsigned long __must_check copy_mc_to_user(void __user *to, const void *from, unsigned long n) { - if (likely(check_copy_size(from, n, true))) { + if (check_copy_size(from, n, true)) { if (access_ok(to, n)) { allow_write_to_user(to, n); n = copy_mc_generic((void *)to, from, n); |