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dm writecache: fix the maximum number of arguments 

commit 67aa3ec3db upstream.

Advance the maximum number of arguments to 16.
This fixes issue where certain operations, combined with table
configured args, exceed 10 arguments.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: 48debafe4f ("dm: add writecache target")
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Mikulas Patocka 2020-11-10 07:45:13 -05:00 committed by Greg Kroah-Hartman
parent 3f680c5996
commit 8a758e97b7
1 changed files with 1 additions and 1 deletions
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2
drivers/md/dm-writecache.c
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@ -1889,7 +1889,7 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
struct wc_memory_superblock s;
static struct dm_arg _args[] = {
{0, 10, "Invalid number of feature args"},
{0, 16, "Invalid number of feature args"},
};
as.argc = argc;