diff options
author | Johannes Berg <johannes.berg@intel.com> | 2017-10-13 12:03:58 +0200 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2017-10-13 15:29:52 +0200 |
commit | 43158d9e744e8012e28fecdb4d317d391a1db8ff (patch) | |
tree | 5ca0cc41954bacf6f681e0f2d1cc0ffe3c2bc146 /backport/backport-include/linux/percpu-defs.h | |
parent | a0d05f9f9ca50ea8b1d60726fac6b54167257e76 (diff) |
backports: add fixed version of __verify_pcpu_ptr
Some parts of the code (ath_cmn_is_fft_buf_full) use a per-CPU
pointer to an array, so we need to backport the fixed version
or this fails to compile in 3.10/3.11.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'backport/backport-include/linux/percpu-defs.h')
-rw-r--r-- | backport/backport-include/linux/percpu-defs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/backport/backport-include/linux/percpu-defs.h b/backport/backport-include/linux/percpu-defs.h new file mode 100644 index 00000000..87a92e07 --- /dev/null +++ b/backport/backport-include/linux/percpu-defs.h @@ -0,0 +1,13 @@ +#ifndef __BACKPORT_PERCPU_DEFS_H +#define __BACKPORT_PERCPU_DEFS_H +#include_next <linux/percpu-defs.h> + +/* override this with the array-safe version */ +#undef __verify_pcpu_ptr +#define __verify_pcpu_ptr(ptr) \ +do { \ + const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \ + (void)__vpp_verify; \ +} while (0) + +#endif /* __BACKPORT_PERCPU_DEFS_H */ |