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authorEric Biggers <ebiggers@google.com>2017-06-22 21:32:45 +0300
committerMike Snitzer <snitzer@redhat.com>2017-08-28 18:47:18 +0300
commit5916a22b83041b07d63191fe06206ae0fff6ec7a (patch)
treec1d154dcb136fe8e82e57e40f667557fc276c762 /drivers/md/dm-switch.c
parent3f2e539359bd0e709eb35127dc04df6bf8c3e8de (diff)
downloadlinux-5916a22b83041b07d63191fe06206ae0fff6ec7a.tar.xz
dm: constify argument arrays
The arrays of 'struct dm_arg' are never modified by the device-mapper core, so constify them so that they are placed in .rodata. (Exception: the args array in dm-raid cannot be constified because it is allocated on the stack and modified.) Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-switch.c')
-rw-r--r--drivers/md/dm-switch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-switch.c b/drivers/md/dm-switch.c
index 871c18fe000d..83a371d54412 100644
--- a/drivers/md/dm-switch.c
+++ b/drivers/md/dm-switch.c
@@ -251,7 +251,7 @@ static void switch_dtr(struct dm_target *ti)
*/
static int switch_ctr(struct dm_target *ti, unsigned argc, char **argv)
{
- static struct dm_arg _args[] = {
+ static const struct dm_arg _args[] = {
{1, (KMALLOC_MAX_SIZE - sizeof(struct switch_ctx)) / sizeof(struct switch_path), "Invalid number of paths"},
{1, UINT_MAX, "Invalid region size"},
{0, 0, "Invalid number of optional args"},