Re: [PATCH] btrfs: fix format string warning

From: David Sterba
Date: Fri Dec 13 2019 - 07:32:59 EST


On Tue, Dec 10, 2019 at 09:44:16PM +0100, Arnd Bergmann wrote:
> To print a size_t, the format string modifier %z should be used instead
> of %l:
>
> fs/btrfs/tree-checker.c: In function 'check_extent_data_item':
> fs/btrfs/tree-checker.c:230:43: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'unsigned int' [-Werror=format=]
> "invalid item size, have %u expect [%lu, %u)",
> ~~^
> %u
>
> Fixes: 153a6d299956 ("btrfs: tree-checker: Check item size before reading file extent type")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Thanks, there's already fix for that in our devel queue, I'm going to
send it to the next rc.