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| author | Frederic Weisbecker | 2009-10-18 01:09:09 +0200 |
|---|---|---|
| committer | Frederic Weisbecker | 2009-10-18 01:12:33 +0200 |
| commit | 0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch) | |
| tree | 94a8d419a470a4f9852ca397bb9bbe48db92ff5c /fs/xfs/xfs_dir2_leaf.c | |
| parent | Merge branch 'linus' into tracing/hw-breakpoints (diff) | |
| parent | perf tools: Move dereference after NULL test (diff) | |
| download | kernel-qcow2-linux-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.tar.gz kernel-qcow2-linux-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.tar.xz kernel-qcow2-linux-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.zip | |
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts:
kernel/Makefile
kernel/trace/Makefile
kernel/trace/trace.h
samples/Makefile
Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.
Diffstat (limited to 'fs/xfs/xfs_dir2_leaf.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_leaf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index fa913e459442..41ad537c49e9 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -854,6 +854,7 @@ xfs_dir2_leaf_getdents( */ ra_want = howmany(bufsize + mp->m_dirblksize, mp->m_sb.sb_blocksize) - 1; + ASSERT(ra_want >= 0); /* * If we don't have as many as we want, and we haven't @@ -1088,7 +1089,8 @@ xfs_dir2_leaf_getdents( */ ptr += length; curoff += length; - bufsize -= length; + /* bufsize may have just been a guess; don't go negative */ + bufsize = bufsize > length ? bufsize - length : 0; } /* |