diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-07-13 00:33:01 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-13 02:25:59 +0300 |
| commit | 0a2c13d9cd76c84f2520f573ff83f777eb7464aa (patch) | |
| tree | 28ba8ec3b5a9757fe6899922bef191427cf1d6b4 /include | |
| parent | 235b84fc862ae2637dc0dabada18d97f1bfc18e1 (diff) | |
| download | linux-0a2c13d9cd76c84f2520f573ff83f777eb7464aa.tar.xz | |
include/linux/dcache.h: use unsigned chars in struct name_snapshot
"kernel.h: handle pointers to arrays better in container_of()" triggers:
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/syscalls.h:71,
from fs/dcache.c:17:
fs/dcache.c: In function 'release_dentry_name_snapshot':
include/linux/compiler.h:542:38: error: call to '__compiletime_assert_305' declared with attribute error: pointer type mismatch in container_of()
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:525:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^
include/linux/compiler.h:542:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/kernel.h:860:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
fs/dcache.c:305:7: note: in expansion of macro 'container_of'
p = container_of(name->name, struct external_name, name[0]);
Switch name_snapshot to use unsigned chars, matching struct qstr and
struct external_name.
Link: http://lkml.kernel.org/r/20170710152134.0f78c1e6@canb.auug.org.au
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dcache.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 025727bf6797..c706eaac692e 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -592,8 +592,8 @@ static inline struct inode *d_real_inode(const struct dentry *dentry) } struct name_snapshot { - const char *name; - char inline_name[DNAME_INLINE_LEN]; + const unsigned char *name; + unsigned char inline_name[DNAME_INLINE_LEN]; }; void take_dentry_name_snapshot(struct name_snapshot *, struct dentry *); void release_dentry_name_snapshot(struct name_snapshot *); |