path: root/Documentation/Changes
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authorJeff Mahoney <>2009-06-17 16:26:29 -0700
committerLinus Torvalds <>2009-06-18 13:03:46 -0700
commit1d965fe0eb435b3f9a10538815f6a68de0aef03c (patch)
tree67859aad430ba6e83be86ad227b704d31e0a818e /Documentation/Changes
parent37044c86baf8cb894c69bb811e35a7f6f6dbce1c (diff)
reiserfs: fix warnings with gcc 4.4
Several code paths in reiserfs have a construct like: if (is_direntry_le_ih(ih = B_N_PITEM_HEAD(src, item_num))) ... which, in addition to being ugly, end up causing compiler warnings with gcc 4.4.0. Previous compilers didn't issue a warning. fs/reiserfs/do_balan.c:1273: warning: operation on `aux_ih' may be undefined fs/reiserfs/lbalance.c:393: warning: operation on `ih' may be undefined fs/reiserfs/lbalance.c:421: warning: operation on `ih' may be undefined fs/reiserfs/lbalance.c:777: warning: operation on `ih' may be undefined I believe this is due to the ih being passed to macros which evaluate the argument more than once. This is old code and we haven't seen any problems with it, but this patch eliminates the warnings. It converts the multiple evaluation macros to static inlines and does a preassignment for the cases that were causing the warnings because that code is just ugly. Reported-by: Chris Mason <> Signed-off-by: Jeff Mahoney <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
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