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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:11:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:11:46 +0300
commit519c523525b3e048862da1ab4ab4a878bdc01aab (patch)
treedca8fa5b43bcd9c21ea05b643839e50af556545b /drivers/md/dm-verity-verify-sig.c
parent70139ad9eba06eec22aa4a03d6198dce7b1d7963 (diff)
parent783cd2c3dca8b6c434e955b84c20c8940588dc68 (diff)
downloadlinux-rolling-lts.tar.xz
Merge v6.12.35linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-verity-verify-sig.c')
-rw-r--r--drivers/md/dm-verity-verify-sig.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/md/dm-verity-verify-sig.c b/drivers/md/dm-verity-verify-sig.c
index a9e2c6c0a33c..d5261a0e4232 100644
--- a/drivers/md/dm-verity-verify-sig.c
+++ b/drivers/md/dm-verity-verify-sig.c
@@ -71,9 +71,14 @@ int verity_verify_sig_parse_opt_args(struct dm_arg_set *as,
const char *arg_name)
{
struct dm_target *ti = v->ti;
- int ret = 0;
+ int ret;
const char *sig_key = NULL;
+ if (v->signature_key_desc) {
+ ti->error = DM_VERITY_VERIFY_ERR("root_hash_sig_key_desc already specified");
+ return -EINVAL;
+ }
+
if (!*argc) {
ti->error = DM_VERITY_VERIFY_ERR("Signature key not specified");
return -EINVAL;
@@ -83,14 +88,18 @@ int verity_verify_sig_parse_opt_args(struct dm_arg_set *as,
(*argc)--;
ret = verity_verify_get_sig_from_key(sig_key, sig_opts);
- if (ret < 0)
+ if (ret < 0) {
ti->error = DM_VERITY_VERIFY_ERR("Invalid key specified");
+ return ret;
+ }
v->signature_key_desc = kstrdup(sig_key, GFP_KERNEL);
- if (!v->signature_key_desc)
+ if (!v->signature_key_desc) {
+ ti->error = DM_VERITY_VERIFY_ERR("Could not allocate memory for signature key");
return -ENOMEM;
+ }
- return ret;
+ return 0;
}
/*