3.16.57-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <[email protected]>

commit 134aecbc25fd77645baaea5467b2a7ed8e9d1ea7 upstream.

Because this is a post-op instead of a pre-op, then it means we check
if knl_buffer[-1] is a space.  It doesn't really hurt anything, but
it causes a static checker warning so let's fix it.

Fixes: d7e09d0397e8 ("staging: add Lustre file system client support")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <[email protected]>
---
 drivers/staging/lustre/lustre/libcfs/tracefile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/lustre/lustre/libcfs/tracefile.c
+++ b/drivers/staging/lustre/lustre/libcfs/tracefile.c
@@ -767,7 +767,7 @@ int cfs_trace_copyin_string(char *knl_bu
                return -EFAULT;
 
        nob = strnlen(knl_buffer, usr_buffer_nob);
-       while (nob-- >= 0)                    /* strip trailing whitespace */
+       while (--nob >= 0)                    /* strip trailing whitespace */
                if (!isspace(knl_buffer[nob]))
                        break;
 

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