Hi Dmitry, > From: Dmitry Torokhov [mailto:dmitry.torokhov@xxxxxxxxx] > Sent: Tuesday, October 25, 2016 5:47 AM > To: Amitkumar Karwar > Cc: linux-wireless@xxxxxxxxxxxxxxx; Cathy Luo; Nishant Sarmukadam; > briannorris@xxxxxxxxxx; Xinming Hu > Subject: Re: [PATCH 3/5] mwifiex: do not free firmware dump memory in > shutdown_drv > > On Mon, Oct 24, 2016 at 07:51:30PM +0530, Amitkumar Karwar wrote: > > From: Xinming Hu <huxm@xxxxxxxxxxx> > > > > mwifiex_upload_device_dump() already takes care of freeing firmware > > dump memory. Doing the same thing in mwifiex_shutdown_drv() is > redundant. > > > > Signed-off-by: Xinming Hu <huxm@xxxxxxxxxxx> > > Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx> > > --- > > drivers/net/wireless/marvell/mwifiex/init.c | 19 ------------------- > > 1 file changed, 19 deletions(-) > > > > diff --git a/drivers/net/wireless/marvell/mwifiex/init.c > > b/drivers/net/wireless/marvell/mwifiex/init.c > > index 8e5e424..365efb8 100644 > > --- a/drivers/net/wireless/marvell/mwifiex/init.c > > +++ b/drivers/net/wireless/marvell/mwifiex/init.c > > @@ -407,8 +407,6 @@ static void mwifiex_free_lock_list(struct > > mwifiex_adapter *adapter) static void mwifiex_adapter_cleanup(struct > > mwifiex_adapter *adapter) { > > - int idx; > > - > > if (!adapter) { > > pr_err("%s: adapter is NULL\n", __func__); > > return; > > @@ -426,23 +424,6 @@ mwifiex_adapter_cleanup(struct mwifiex_adapter > *adapter) > > mwifiex_dbg(adapter, INFO, "info: free cmd buffer\n"); > > mwifiex_free_cmd_buffer(adapter); > > > > - for (idx = 0; idx < adapter->num_mem_types; idx++) { > > - struct memory_type_mapping *entry = > > - &adapter->mem_type_mapping_tbl[idx]; > > - > > - if (entry->mem_ptr) { > > - vfree(entry->mem_ptr); > > - entry->mem_ptr = NULL; > > - } > > - entry->mem_size = 0; > > - } > > - > > - if (adapter->drv_info_dump) { > > - vfree(adapter->drv_info_dump); > > - adapter->drv_info_dump = NULL; > > - adapter->drv_info_size = 0; > > - } > > Why do you even keep the pointer to dump memory in the adapter > structure? You allocate it in mwifiex_drv_info_dump() and immediately > use it in mwifiex_upload_device_dump(). Why not simply pass the pointer > between the functions? > Thanks. This makes sense. I will pass the pointer and get rid of adapter variable in updated version. Regards, Amitkumar
