Messages in this thread Patch in this message | | | From | Marc Kleine-Budde <> | Subject | [PATCH RFC 1/5] UBIFS: xattr: protect ui_size and data_len by ui_mutex | Date | Wed, 13 Feb 2013 11:23:14 +0100 |
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This patch moves the modification of ui->ui_size and ui->data_len in the create_xattr() and change_xattr() functions, so that they are protected by the ui_mutex as stated in the documenation of the the struct ubifs_inode.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> --- fs/ubifs/xattr.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index 0f7139b..1395307 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -143,10 +143,10 @@ static int create_xattr(struct ubifs_info *c, struct inode *host, err = -ENOMEM; goto out_free; } - inode->i_size = ui->ui_size = size; - ui->data_len = size; mutex_lock(&host_ui->ui_mutex); + inode->i_size = ui->ui_size = size; + ui->data_len = size; host->i_ctime = ubifs_current_time(host); host_ui->xattr_cnt += 1; host_ui->xattr_size += CALC_DENT_SIZE(nm->len); @@ -208,10 +208,10 @@ static int change_xattr(struct ubifs_info *c, struct inode *host, err = -ENOMEM; goto out_free; } - inode->i_size = ui->ui_size = size; - ui->data_len = size; mutex_lock(&host_ui->ui_mutex); + inode->i_size = ui->ui_size = size; + ui->data_len = size; host->i_ctime = ubifs_current_time(host); host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len); host_ui->xattr_size += CALC_XATTR_BYTES(size); -- 1.7.10.4
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