| Message ID | 20231027021303.26187-1-kunyu@nfschina.com |
|---|---|
| State | New |
| Headers | show |
| Series | power: swap: Remove unnecessary ‘0’ values from ret | expand |
On Fri, Oct 27, 2023 at 4:13 AM Li kunyu <kunyu@nfschina.com> wrote: > > 'ret 'is first assigned a value and then used, it does not need to be > assigned at definition time. But the compiler may be confused, at least in the first case. > Signed-off-by: Li kunyu <kunyu@nfschina.com> > --- > kernel/power/swap.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/kernel/power/swap.c b/kernel/power/swap.c > index 90bb583c57bf7..32e8cb6ceaea4 100644 > --- a/kernel/power/swap.c > +++ b/kernel/power/swap.c > @@ -679,7 +679,7 @@ static int save_image_lzo(struct swap_map_handle *handle, > unsigned int nr_to_write) > { > unsigned int m; > - int ret = 0; > + int ret; It is better to leave the code as is here as the compiler may still complain about the initialization of ret. > int nr_pages; > int err2; > struct hib_bio_batch hb; > @@ -1060,7 +1060,7 @@ static int load_image(struct swap_map_handle *handle, > unsigned int nr_to_read) > { > unsigned int m; > - int ret = 0; > + int ret; > ktime_t start; > ktime_t stop; > struct hib_bio_batch hb; > @@ -1166,7 +1166,7 @@ static int load_image_lzo(struct swap_map_handle *handle, > unsigned int nr_to_read) > { > unsigned int m; > - int ret = 0; > + int ret; > int eof = 0; > struct hib_bio_batch hb; > ktime_t start; > -- > 2.18.2 >
diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 90bb583c57bf7..32e8cb6ceaea4 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -679,7 +679,7 @@ static int save_image_lzo(struct swap_map_handle *handle, unsigned int nr_to_write) { unsigned int m; - int ret = 0; + int ret; int nr_pages; int err2; struct hib_bio_batch hb; @@ -1060,7 +1060,7 @@ static int load_image(struct swap_map_handle *handle, unsigned int nr_to_read) { unsigned int m; - int ret = 0; + int ret; ktime_t start; ktime_t stop; struct hib_bio_batch hb; @@ -1166,7 +1166,7 @@ static int load_image_lzo(struct swap_map_handle *handle, unsigned int nr_to_read) { unsigned int m; - int ret = 0; + int ret; int eof = 0; struct hib_bio_batch hb; ktime_t start;
'ret 'is first assigned a value and then used, it does not need to be assigned at definition time. Signed-off-by: Li kunyu <kunyu@nfschina.com> --- kernel/power/swap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)