Revision 33844e665104b169a3a7732bdcddb40e4f82b335 authored by Al Viro on 22 December 2016, 02:55:02 UTC, committed by Al Viro on 23 December 2016, 04:00:22 UTC
Problem similar to ones dealt with in "fold checks into iterate_and_advance()" and followups, except that in this case we really want to do nothing when asked for zero-length operation - unlike zero-length iterate_and_advance(), zero-length iterate_all_kinds() has no side effects, and callers are simpler that way. That got exposed when copy_from_iter_full() had been used by tipc, which builds an msghdr with zero payload and (now) feeds it to a primitive based on iterate_all_kinds() instead of iterate_and_advance(). Reported-by: Jon Maloy <jon.maloy@ericsson.com> Tested-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
1 parent c00d2c7
File | Mode | Size |
---|---|---|
Kconfig | -rw-r--r-- | 1.1 KB |
Makefile | -rw-r--r-- | 248 bytes |
alloc.c | -rw-r--r-- | 24.7 KB |
alloc.h | -rw-r--r-- | 3.6 KB |
bmap.c | -rw-r--r-- | 14.9 KB |
bmap.h | -rw-r--r-- | 8.2 KB |
btnode.c | -rw-r--r-- | 7.4 KB |
btnode.h | -rw-r--r-- | 1.8 KB |
btree.c | -rw-r--r-- | 62.9 KB |
btree.h | -rw-r--r-- | 2.5 KB |
cpfile.c | -rw-r--r-- | 25.9 KB |
cpfile.h | -rw-r--r-- | 1.6 KB |
dat.c | -rw-r--r-- | 13.2 KB |
dat.h | -rw-r--r-- | 2.2 KB |
dir.c | -rw-r--r-- | 17.0 KB |
direct.c | -rw-r--r-- | 9.2 KB |
direct.h | -rw-r--r-- | 1.1 KB |
export.h | -rw-r--r-- | 466 bytes |
file.c | -rw-r--r-- | 4.0 KB |
gcinode.c | -rw-r--r-- | 5.6 KB |
ifile.c | -rw-r--r-- | 5.7 KB |
ifile.h | -rw-r--r-- | 1.6 KB |
inode.c | -rw-r--r-- | 29.3 KB |
ioctl.c | -rw-r--r-- | 36.2 KB |
mdt.c | -rw-r--r-- | 16.0 KB |
mdt.h | -rw-r--r-- | 4.1 KB |
namei.c | -rw-r--r-- | 12.9 KB |
nilfs.h | -rw-r--r-- | 12.5 KB |
page.c | -rw-r--r-- | 14.3 KB |
page.h | -rw-r--r-- | 2.4 KB |
recovery.c | -rw-r--r-- | 24.1 KB |
segbuf.c | -rw-r--r-- | 13.5 KB |
segbuf.h | -rw-r--r-- | 6.0 KB |
segment.c | -rw-r--r-- | 74.6 KB |
segment.h | -rw-r--r-- | 8.2 KB |
sufile.c | -rw-r--r-- | 32.1 KB |
sufile.h | -rw-r--r-- | 4.7 KB |
super.c | -rw-r--r-- | 35.8 KB |
sysfs.c | -rw-r--r-- | 31.8 KB |
sysfs.h | -rw-r--r-- | 5.7 KB |
the_nilfs.c | -rw-r--r-- | 21.0 KB |
the_nilfs.h | -rw-r--r-- | 11.7 KB |
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...