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nilfs2: fix out-of-range warning

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[ Upstream commit c473bcdd80 ]

clang-14 points out that v_size is always smaller than a 64KB
page size if that is configured by the CPU architecture:

fs/nilfs2/ioctl.c:63:19: error: result of comparison of constant 65536 with expression of type '__u16' (aka 'unsigned short') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
        if (argv->v_size > PAGE_SIZE)
            ~~~~~~~~~~~~ ^ ~~~~~~~~~

This is ok, so just shut up that warning with a cast.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240328143051.1069575-7-arnd@kernel.org
Fixes: 3358b4aaa8 ("nilfs2: fix problems of memory allocation in ioctl")
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Arnd Bergmann 2024-03-28 15:30:44 +01:00 committed by Greg Kroah-Hartman
parent 2ed750b7ae
commit fd848dc7e2
1 changed files with 1 additions and 1 deletions
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2
fs/nilfs2/ioctl.c
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@ -60,7 +60,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs,
if (argv->v_nmembs == 0) if (argv->v_nmembs == 0)
return 0; return 0;
if (argv->v_size > PAGE_SIZE) if ((size_t)argv->v_size > PAGE_SIZE)
return -EINVAL; return -EINVAL;
/* /*