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author | David Howells <dhowells@redhat.com> | 2007-05-10 22:22:19 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 08:29:32 -0700 |
commit | 9d577b6a31a53a19d3b0fe414d645a61ef201846 (patch) | |
tree | 3e2523ac386e16eb0b125f3933b9ebfbd03aed65 /fs | |
parent | 9393e1dc8e394bd59217178b26b2476dc43e8667 (diff) | |
download | kernel_samsung_espresso10-9d577b6a31a53a19d3b0fe414d645a61ef201846.zip kernel_samsung_espresso10-9d577b6a31a53a19d3b0fe414d645a61ef201846.tar.gz kernel_samsung_espresso10-9d577b6a31a53a19d3b0fe414d645a61ef201846.tar.bz2 |
AFS: fix interminable loop in afs_write_back_from_locked_page()
Following bug was uncovered by compiling with '-W' flag:
CC [M] fs/afs/write.o
fs/afs/write.c: In function âafs_write_back_from_locked_pageâ:
fs/afs/write.c:398: warning: comparison of unsigned expression >= 0 is always true
Loop variable 'n' is unsigned, so wraps around happily as far as I can
see. Trival fix attached (compile tested only).
Signed-off-by: Mika Kukkonen <mikukkon@iki.fi>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/afs/write.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c index 67ae4db..28f3751 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -395,8 +395,9 @@ static int afs_write_back_from_locked_page(struct afs_writeback *wb, if (n == 0) goto no_more; if (pages[0]->index != start) { - for (n--; n >= 0; n--) - put_page(pages[n]); + do { + put_page(pages[--n]); + } while (n > 0); goto no_more; } |