The patch titled
Subject: ocfs2: eliminate a misreported warning
has been added to the -mm tree. Its filename is
ocfs2-eliminate-a-misreported-warning.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-eliminate-a-misreported-warning.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-eliminate-a-misreported-warning.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
Subject: ocfs2: eliminate a misreported warning
The warning is invalid because the parameter chunksize passed from
ocfs2_info_freefrag_scan_chain-->ocfs2_info_update_ffg is guaranteed to be
positive. So __ilog2_u32 cannot return -1.
fs/ocfs2/ioctl.c: In function 'ocfs2_info_update_ffg':
fs/ocfs2/ioctl.c:411:17: warning: array subscript is below array bounds [-Warray-bounds]
hist->fc_chunks[index]++;
^
fs/ocfs2/ioctl.c:411:17: warning: array subscript is below array bounds [-Warray-bounds]
Link: http://lkml.kernel.org/r/1524655799-12112-1-git-send-email-thunder.leizhen@xxxxxxxxxx
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <jiangqi903@xxxxxxxxx>
Cc: Changwei Ge <ge.changwei@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ocfs2/ioctl.c~ocfs2-eliminate-a-misreported-warning fs/ocfs2/ioctl.c
--- a/fs/ocfs2/ioctl.c~ocfs2-eliminate-a-misreported-warning
+++ a/fs/ocfs2/ioctl.c
@@ -402,7 +402,7 @@ out_err:
static void o2ffg_update_histogram(struct ocfs2_info_free_chunk_list *hist,
unsigned int chunksize)
{
- int index;
+ u32 index;
index = __ilog2_u32(chunksize);
if (index >= OCFS2_INFO_MAX_HIST)
_
Patches currently in -mm which might be from thunder.leizhen@xxxxxxxxxx are
ocfs2-eliminate-a-misreported-warning.patch
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