| Message ID | 20210927094520.696665-1-arnd@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | memstick: avoid out-of-range warning | expand |
On Mon, 27 Sept 2021 at 11:45, Arnd Bergmann <arnd@kernel.org> wrote: > > From: Arnd Bergmann <arnd@arndb.de> > > clang-14 complains about a sanity check that always passes when the > page size is 64KB or larger: > > drivers/memstick/core/ms_block.c:1739:21: error: result of comparison of constant 65536 with expression of type 'unsigned short' is always false [-Werror,-Wtautological-constant-out-of-range-compare] > if (msb->page_size > PAGE_SIZE) { > ~~~~~~~~~~~~~~ ^ ~~~~~~~~~ > > This is fine, it will still work on all architectures, so just shut > up that warning with a cast. > > Fixes: 0ab30494bc4f ("memstick: add support for legacy memorysticks") > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Applied for next, thanks! Kind regards Uffe > --- > drivers/memstick/core/ms_block.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c > index acf36676e388..487e4cc2951e 100644 > --- a/drivers/memstick/core/ms_block.c > +++ b/drivers/memstick/core/ms_block.c > @@ -1736,7 +1736,7 @@ static int msb_init_card(struct memstick_dev *card) > msb->pages_in_block = boot_block->attr.block_size * 2; > msb->block_size = msb->page_size * msb->pages_in_block; > > - if (msb->page_size > PAGE_SIZE) { > + if ((size_t)msb->page_size > PAGE_SIZE) { > /* this isn't supported by linux at all, anyway*/ > dbg("device page %d size isn't supported", msb->page_size); > return -EINVAL; > -- > 2.29.2 >
diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c index acf36676e388..487e4cc2951e 100644 --- a/drivers/memstick/core/ms_block.c +++ b/drivers/memstick/core/ms_block.c @@ -1736,7 +1736,7 @@ static int msb_init_card(struct memstick_dev *card) msb->pages_in_block = boot_block->attr.block_size * 2; msb->block_size = msb->page_size * msb->pages_in_block; - if (msb->page_size > PAGE_SIZE) { + if ((size_t)msb->page_size > PAGE_SIZE) { /* this isn't supported by linux at all, anyway*/ dbg("device page %d size isn't supported", msb->page_size); return -EINVAL;