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apparmor: Remove unused variable 'sock' in __file_sock_perm()

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When CONFIG_SECURITY_APPARMOR_DEBUG_ASSERTS is disabled, there is a
warning that sock is unused:

  security/apparmor/file.c: In function '__file_sock_perm':
  security/apparmor/file.c:544:24: warning: unused variable 'sock' [-Wunused-variable]
    544 |         struct socket *sock = (struct socket *) file->private_data;
        |                        ^~~~

sock was moved into aa_sock_file_perm(), where the same check is
present, so remove sock and the assertion from __file_sock_perm() to fix
the warning.

Fixes: c05e705812 ("apparmor: add fine grained af_unix mediation")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501190757.myuLxLyL-lkp@intel.com/
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Nathan Chancellor
2025-02-10 11:18:45 -08:00
committed by John Johansen
parent 67e370aa7f
commit 3e45553acb
1 changed files with 0 additions and 3 deletions
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security/apparmor/file.c
-3
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@@ -541,11 +541,8 @@ static int __file_sock_perm(const char *op, const struct cred *subj_cred,
struct aa_label *flabel, struct file *file,
u32 request, u32 denied)
{
struct socket *sock = (struct socket *) file->private_data;
int error;
AA_BUG(!sock);
/* revalidation due to label out of date. No revocation at this time */
if (!denied && aa_label_is_subset(flabel, label))
return 0;