Messages in this thread | | | Date | Wed, 16 Sep 2020 13:11:59 +0200 | From | Greg KH <> | Subject | Re: [PATCH] staging: wfx: simplify virt_addr_valid call |
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On Sat, Sep 12, 2020 at 07:47:19AM -0700, trix@redhat.com wrote: > From: Tom Rix <trix@redhat.com> > > Reviewing sram_write_dma_safe(), there are two > identical calls to virt_addr_valid(). The second > call can be simplified by a comparison of variables > set from the first call. > > Signed-off-by: Tom Rix <trix@redhat.com> > --- > drivers/staging/wfx/fwio.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/wfx/fwio.c b/drivers/staging/wfx/fwio.c > index 22d3b684f04f..c99adb0c99f1 100644 > --- a/drivers/staging/wfx/fwio.c > +++ b/drivers/staging/wfx/fwio.c > @@ -94,7 +94,7 @@ static int sram_write_dma_safe(struct wfx_dev *wdev, u32 addr, const u8 *buf, > tmp = buf; > } > ret = sram_buf_write(wdev, addr, tmp, len); > - if (!virt_addr_valid(buf)) > + if (tmp != buf) > kfree(tmp); > return ret; > }
Jerome, any thoughts?
thanks,
greg k-h
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