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>
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File | Mode | Size |
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Kconfig | -rw-r--r-- | 1.3 KB |
Makefile | -rw-r--r-- | 308 bytes |
acl.c | -rw-r--r-- | 3.2 KB |
acl.h | -rw-r--r-- | 743 bytes |
aops.c | -rw-r--r-- | 32.2 KB |
bmap.c | -rw-r--r-- | 36.9 KB |
bmap.h | -rw-r--r-- | 2.0 KB |
dentry.c | -rw-r--r-- | 2.7 KB |
dir.c | -rw-r--r-- | 52.2 KB |
dir.h | -rw-r--r-- | 2.6 KB |
export.c | -rw-r--r-- | 4.7 KB |
file.c | -rw-r--r-- | 28.9 KB |
gfs2.h | -rw-r--r-- | 524 bytes |
glock.c | -rw-r--r-- | 51.1 KB |
glock.h | -rw-r--r-- | 7.4 KB |
glops.c | -rw-r--r-- | 16.2 KB |
glops.h | -rw-r--r-- | 1.1 KB |
incore.h | -rw-r--r-- | 22.6 KB |
inode.c | -rw-r--r-- | 48.0 KB |
inode.h | -rw-r--r-- | 4.2 KB |
lock_dlm.c | -rw-r--r-- | 38.7 KB |
log.c | -rw-r--r-- | 25.0 KB |
log.h | -rw-r--r-- | 2.4 KB |
lops.c | -rw-r--r-- | 21.2 KB |
lops.h | -rw-r--r-- | 2.8 KB |
main.c | -rw-r--r-- | 6.0 KB |
meta_io.c | -rw-r--r-- | 10.6 KB |
meta_io.h | -rw-r--r-- | 2.6 KB |
ops_fstype.c | -rw-r--r-- | 35.3 KB |
quota.c | -rw-r--r-- | 42.3 KB |
quota.h | -rw-r--r-- | 2.1 KB |
recovery.c | -rw-r--r-- | 14.1 KB |
recovery.h | -rw-r--r-- | 1.2 KB |
rgrp.c | -rw-r--r-- | 68.6 KB |
rgrp.h | -rw-r--r-- | 3.3 KB |
super.c | -rw-r--r-- | 40.2 KB |
super.h | -rw-r--r-- | 1.9 KB |
sys.c | -rw-r--r-- | 17.6 KB |
sys.h | -rw-r--r-- | 659 bytes |
trace_gfs2.h | -rw-r--r-- | 15.4 KB |
trans.c | -rw-r--r-- | 7.3 KB |
trans.h | -rw-r--r-- | 1.5 KB |
util.c | -rw-r--r-- | 7.4 KB |
util.h | -rw-r--r-- | 4.9 KB |
xattr.c | -rw-r--r-- | 32.3 KB |
xattr.h | -rw-r--r-- | 2.0 KB |
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