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Message-Id: <200707151136.05223.mb@bu3sch.de> Date: Sun, 15 Jul 2007 11:36:04 +0200 From: Michael Buesch <mb@...sch.de> To: bryan.wu@...log.com Cc: Jeff Garzik <jeff@...zik.org>, LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH 1/3] Blackfin ethernet driver: on chip ethernet MAC controller driver On Sunday 15 July 2007 11:16:56 Bryan Wu wrote: > In current Blackfin DMA allocation/free, the return value from > bfin_mac_alloc() is used as the dma_handle, here it is the > tx_desc/rx_desc. > The "dma_handle" is useless in the following code. I think a comment has to be added, at least, as it's very confusing. > This is some magic code for PHY ID. In the future, we will rewrite some > code based on kernel phy abstraction layer to support more phy device. Ok, nice idea. > > Unwind the allocations above, if registering fails. > > > > In fact, it is safe. Because if registering fails, bf537mac_probe will > return none zero to bfin_mac_probe which will do free_netdev. Hm, weren't there some DMA allocations, too? Are they free'd properly? -- Greetings Michael. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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