Messages in this thread | | | Date | Thu, 13 Dec 2012 22:28:17 +0400 | From | Evgeniy Polyakov <> | Subject | Re: [PATCH 1/2] drivers/w1/masters/mxc_w1.c: use devm_ functions |
| |
On Fri, Dec 07, 2012 at 12:15:24AM +0100, Julia Lawall (Julia.Lawall@lip6.fr) wrote: > From: Julia Lawall <Julia.Lawall@lip6.fr> > > The various devm_ functions allocate memory that is released when a driver > detaches. This patch uses these functions for data that is allocated in > the probe function of a platform device and is only freed in the remove > function. > > At the same time, this fixes two faults. First, mdev, the result of > kzalloc, was never freed. Second, on failure of ioremap, 0 was returned. > This has been replaced by -EBUSY, which was the failure value for the call > to request_mem_region, with which the call to ioremap has been combined. > > The warning message on failure of ioremap is dropped, because > devm_request_and_ioremap already gives such messages on failure. > > Finally, the initial call to platform_get_resource is moved closer to the > call to devm_request_and_ioremap, which takes care of checking whether its > result is NULL, implying that a test on the result of this call to > platform_get_resource is not needed. > > Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Looks good. Greg, please pull both patches into your tree. Thank you.
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
-- Evgeniy Polyakov
| |