On 04/15/2014 10:13 AM, Peter Crosthwaite wrote: > On Tue, Apr 8, 2014 at 10:02 PM, Chen Gang <[email protected]> wrote: >> In function, if no additional resources to free before quit, commonly, >> need not use additional local variable 'res' to notice about it. So >> remove it to simplify code. >> > > Styling wise, there is a school of thought that functions should only > have one return statement which is probably the original authors > intention. >
Hmm... maybe. For me, the readers' feeling (let code simple and easy understanding) is more important than "school rules". Welcome other members' styling tastes. > Regards, > Peter > >> Signed-off-by: Chen Gang <[email protected]> >> --- >> vl.c | 6 ++---- >> 1 file changed, 2 insertions(+), 4 deletions(-) >> >> diff --git a/vl.c b/vl.c >> index 7505002..377f962 100644 >> --- a/vl.c >> +++ b/vl.c >> @@ -1188,18 +1188,16 @@ DeviceState *get_boot_device(uint32_t position) >> { >> uint32_t counter = 0; >> FWBootEntry *i = NULL; >> - DeviceState *res = NULL; >> >> if (!QTAILQ_EMPTY(&fw_boot_order)) { >> QTAILQ_FOREACH(i, &fw_boot_order, link) { >> if (counter == position) { >> - res = i->dev; >> - break; >> + return i->dev; >> } >> counter++; >> } >> } >> - return res; >> + return NULL; >> } >> >> /* >> -- >> 1.7.9.5 >> Thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed
