On Mon, 9 Nov 2015, Greg KH wrote: > On Tue, Nov 10, 2015 at 03:43:50AM +0800, kbuild test robot wrote: > > drivers/staging/lustre/lustre/llite/xattr.c:199:2-7: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values. > > > > NULL check before some freeing functions is not needed. > > > > Based on checkpatch warning > > "kfree(NULL) is safe this check is probably not required" > > and kfreeaddr.cocci by Julia Lawall. > > > > Generated by: scripts/coccinelle/free/ifnullfree.cocci > > > > CC: Shivani Bhardwaj <shivanib134@xxxxxxxxx> > > Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> > > --- > > > > xattr.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > --- a/drivers/staging/lustre/lustre/llite/xattr.c > > +++ b/drivers/staging/lustre/lustre/llite/xattr.c > > @@ -192,11 +192,10 @@ int ll_setxattr_common(struct inode *ino > > valid, name, pv, size, 0, flags, > > ll_i2suppgid(inode), &req); > > #ifdef CONFIG_FS_POSIX_ACL > > - if (new_value != NULL) > > /* > > * Release the posix ACL space. > > */ > > - kfree(new_value); > > + kfree(new_value); > > Looks like a bug in coccinelle, the comment line should also be indented > to the left. > > Julia, any ideas? I think it's on the border of what the person is going to have to resign themselves to doing by hand. I'm not sure which side of the border it is on, but I try to focus more on getting the code printed in the right place than on the comments. I can check on it, though, and maybe an easy fix is possible. thanks, julia _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
