The patch looks good for me. > -----Original Message----- > From: Ameya Palande [mailto:ameya.palande@xxxxxxxxx] > Sent: Wednesday, July 15, 2009 9:56 AM > To: linux-omap@xxxxxxxxxxxxxxx > Cc: Ramirez Luna, Omar; Guzman Lugo, Fernando; Menon, Nishanth; > hiroshi.doyu@xxxxxxxxx > Subject: [PATCH 04/13] DSPBRIDGE: fix macros that break when inside an > if/else > > From: Doyu Hiroshi (Nokia-D/Helsinki) <hiroshi.doyu@xxxxxxxxx> > > Based on the following discussion: > http://marc.info/?l=linux-omap&m=124697893724881&w=2 > > Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> > --- > drivers/dsp/bridge/pmgr/wcd.c | 60 ++++++++++++++++++++++++++---------- > ---- > 1 files changed, 39 insertions(+), 21 deletions(-) > > diff --git a/drivers/dsp/bridge/pmgr/wcd.c b/drivers/dsp/bridge/pmgr/wcd.c > index 441130c..8708c78 100644 > --- a/drivers/dsp/bridge/pmgr/wcd.c > +++ b/drivers/dsp/bridge/pmgr/wcd.c > @@ -145,27 +145,45 @@ > #define MAX_STREAMS 16 > #define MAX_BUFS 64 > > -/* Following two macros should ideally have do{}while(0) */ > - > -#define cp_fm_usr(dest, src, status, elements) \ > - if (DSP_SUCCEEDED(status)) {\ > - if (unlikely(src == NULL) || \ > - unlikely(copy_from_user(dest, src, elements * > sizeof(*(dest))))) { \ > - GT_1trace(WCD_debugMask, GT_7CLASS, \ > - "copy_from_user failed, src=0x%x\n", src); \ > - status = DSP_EPOINTER ; \ > - } \ > - } > - > -#define cp_to_usr(dest, src, status, elements) \ > - if (DSP_SUCCEEDED(status)) {\ > - if (unlikely(dest == NULL) || \ > - unlikely(copy_to_user(dest, src, elements * sizeof(*(src))))) > { \ > - GT_1trace(WCD_debugMask, GT_7CLASS, \ > - "copy_to_user failed, dest=0x%x\n", dest); \ > - status = DSP_EPOINTER ;\ > - } \ > - } > +static inline void __cp_fm_usr(void *to, const void __user *from, > + DSP_STATUS *err, unsigned long bytes) > +{ > + if (DSP_FAILED(*err)) > + return; > + > + if (unlikely(!from)) { > + *err = DSP_EPOINTER; > + return; > + } > + > + if (unlikely(copy_from_user(to, from, bytes))) { > + GT_2trace(WCD_debugMask, GT_7CLASS, > + "%s failed, from=0x%08x\n", __func__, from); > + *err = DSP_EPOINTER; > + } > +} > +#define cp_fm_usr(to, from, err, n) \ > + __cp_fm_usr(to, from, &(err), (n) * sizeof(*(to))) > + > +static inline void __cp_to_usr(void __user *to, const void *from, > + DSP_STATUS *err, unsigned long bytes) > +{ > + if (DSP_FAILED(*err)) > + return; > + > + if (unlikely(!to)) { > + *err = DSP_EPOINTER; > + return; > + } > + > + if (unlikely(copy_to_user(to, from, bytes))) { > + GT_2trace(WCD_debugMask, GT_7CLASS, > + "%s failed, to=0x%08x\n", __func__, to); > + *err = DSP_EPOINTER; > + } > +} > +#define cp_to_usr(to, from, err, n) \ > + __cp_to_usr(to, from, &(err), (n) * sizeof(*(from))) > > /* Device IOCtl function pointer */ > struct WCD_Cmd { > -- > 1.6.2.4 > Acked-by Fernando Guzman Lugo <x0095840@xxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
