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apparmor: Fix undefined references to zstd_ symbols

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Unfortunately the switch to using zstd compression did not properly
ifdef all the code that uses zstd_ symbols. So that if exporting of
binary policy is disabled in the config the compile will fail with the
following errors

security/apparmor/lsm.c:1545: undefined reference to `zstd_min_clevel'
aarch64-linux-ld: security/apparmor/lsm.c:1545: undefined reference to `zstd_max_clevel'

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 52ccc20c652b ("apparmor: use zstd compression for profile data")
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Jon Tourville <jon.tourville@canonical.com>
This commit is contained in:
John Johansen
2022-09-29 06:24:29 -07:00
parent 14d37a7f14
commit 70f24a9f90
3 changed files with 15 additions and 5 deletions
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11
security/apparmor/include/apparmor.h
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@@ -51,4 +51,15 @@ extern bool aa_g_logsyscall;
extern bool aa_g_paranoid_load;
extern unsigned int aa_g_path_max;
#ifdef CONFIG_SECURITY_APPARMOR_EXPORT_BINARY
#define AA_MIN_CLEVEL zstd_min_clevel()
#define AA_MAX_CLEVEL zstd_max_clevel()
#define AA_DEFAULT_CLEVEL ZSTD_CLEVEL_DEFAULT
#else
#define AA_MIN_CLEVEL 0
#define AA_MAX_CLEVEL 0
#define AA_DEFAULT_CLEVEL 0
#endif /* CONFIG_SECURITY_APPARMOR_EXPORT_BINARY */
#endif /* __APPARMOR_H */