The patch titled
statistics infrastructure: small cleanup in debugfs write function
has been removed from the -mm tree. Its filename was
statistics-infrastructure-small-cleanup-in-debugfs-write-function.patch
This patch was dropped because it isn't in the present -mm lineup
------------------------------------------------------
Subject: statistics infrastructure: small cleanup in debugfs write function
From: Martin Peschke <mp3@xxxxxxxxxx>
Code looks more sane with this little cleanup, although both memcpy() and
kfree() are supposed to cope with NULL pointer or zero length respectively.
Signed-off-by: Martin Peschke <mp3@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/statistic.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff -puN lib/statistic.c~statistics-infrastructure-small-cleanup-in-debugfs-write-function lib/statistic.c
--- a/lib/statistic.c~statistics-infrastructure-small-cleanup-in-debugfs-write-function
+++ a/lib/statistic.c
@@ -631,11 +631,13 @@ static ssize_t statistic_write_def(struc
if (!larger)
return -ENOMEM;
larger[*offset + len] = '\0';
- memcpy(larger, seq_priv->w_buf, *offset);
+ if (seq_priv->w_buf) {
+ memcpy(larger, seq_priv->w_buf, *offset);
+ kfree(seq_priv->w_buf);
+ }
if (copy_from_user(larger + *offset, buf, len))
return -EFAULT;
*offset += len;
- kfree(seq_priv->w_buf);
seq_priv->w_buf = larger;
seq_priv->w_offset = *offset;
return len;
_
Patches currently in -mm which might be from mp3@xxxxxxxxxx are
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
