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authorMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
committerMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
commitc55b44c9386f3ee1b08752638559f19deaf6040d (patch)
treec843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/md/dm-verity-target.c
parentMAINTAINERS: Update my e-mail (diff)
parentLinux 5.13-rc1 (diff)
downloadlinux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz
linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/md/dm-verity-target.c')
-rw-r--r--drivers/md/dm-verity-target.c40
1 files changed, 29 insertions, 11 deletions
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 808a98ef624c..d3e76aefc1a6 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -893,6 +893,28 @@ out:
return r;
}
+static inline bool verity_is_verity_mode(const char *arg_name)
+{
+ return (!strcasecmp(arg_name, DM_VERITY_OPT_LOGGING) ||
+ !strcasecmp(arg_name, DM_VERITY_OPT_RESTART) ||
+ !strcasecmp(arg_name, DM_VERITY_OPT_PANIC));
+}
+
+static int verity_parse_verity_mode(struct dm_verity *v, const char *arg_name)
+{
+ if (v->mode)
+ return -EINVAL;
+
+ if (!strcasecmp(arg_name, DM_VERITY_OPT_LOGGING))
+ v->mode = DM_VERITY_MODE_LOGGING;
+ else if (!strcasecmp(arg_name, DM_VERITY_OPT_RESTART))
+ v->mode = DM_VERITY_MODE_RESTART;
+ else if (!strcasecmp(arg_name, DM_VERITY_OPT_PANIC))
+ v->mode = DM_VERITY_MODE_PANIC;
+
+ return 0;
+}
+
static int verity_parse_opt_args(struct dm_arg_set *as, struct dm_verity *v,
struct dm_verity_sig_opts *verify_args)
{
@@ -916,16 +938,12 @@ static int verity_parse_opt_args(struct dm_arg_set *as, struct dm_verity *v,
arg_name = dm_shift_arg(as);
argc--;
- if (!strcasecmp(arg_name, DM_VERITY_OPT_LOGGING)) {
- v->mode = DM_VERITY_MODE_LOGGING;
- continue;
-
- } else if (!strcasecmp(arg_name, DM_VERITY_OPT_RESTART)) {
- v->mode = DM_VERITY_MODE_RESTART;
- continue;
-
- } else if (!strcasecmp(arg_name, DM_VERITY_OPT_PANIC)) {
- v->mode = DM_VERITY_MODE_PANIC;
+ if (verity_is_verity_mode(arg_name)) {
+ r = verity_parse_verity_mode(v, arg_name);
+ if (r) {
+ ti->error = "Conflicting error handling parameters";
+ return r;
+ }
continue;
} else if (!strcasecmp(arg_name, DM_VERITY_OPT_IGN_ZEROES)) {
@@ -1242,7 +1260,7 @@ bad:
static struct target_type verity_target = {
.name = "verity",
- .version = {1, 7, 0},
+ .version = {1, 8, 0},
.module = THIS_MODULE,
.ctr = verity_ctr,
.dtr = verity_dtr,