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security: keys: annotate implicit fall throughs

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There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings (W=1). Fix them up.

This commit remove the following warning:

  security/keys/process_keys.c:380:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  security/keys/process_keys.c:404:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  security/keys/process_keys.c:424:7: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
Mathieu Malaterre 2019-01-14 21:17:24 +01:00 committed by James Morris
parent 5b73262a5c
commit 0f949bcc7b
1 changed files with 3 additions and 0 deletions
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security/keys/process_keys.c
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@ -379,6 +379,7 @@ key_ref_t search_my_process_keyrings(struct keyring_search_context *ctx)
case -EAGAIN: /* no key */
if (ret)
break;
/* fall through */
case -ENOKEY: /* negative key */
ret = key_ref;
break;
@ -403,6 +404,7 @@ key_ref_t search_my_process_keyrings(struct keyring_search_context *ctx)
case -EAGAIN: /* no key */
if (ret)
break;
/* fall through */
case -ENOKEY: /* negative key */
ret = key_ref;
break;
@ -423,6 +425,7 @@ key_ref_t search_my_process_keyrings(struct keyring_search_context *ctx)
case -EAGAIN: /* no key */
if (ret)
break;
/* fall through */
case -ENOKEY: /* negative key */
ret = key_ref;
break;