Messages in this thread Patch in this message | | | From | YueHaibing <> | Subject | [PATCH -next] mm: fix set but not used warning | Date | Mon, 18 Feb 2019 13:57:43 +0000 |
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Fixes gcc '-Wunused-but-set-variable' warning:
lib/ioremap.c: In function 'ioremap_page_range': lib/ioremap.c:203:16: warning: variable 'start' set but not used [-Wunused-but-set-variable]
flush_cache_vmap may no need param, so add __maybe_unused fix this warning.
Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- lib/ioremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/ioremap.c b/lib/ioremap.c index 063213685563..d1c7a488e731 100644 --- a/lib/ioremap.c +++ b/lib/ioremap.c @@ -200,7 +200,7 @@ int ioremap_page_range(unsigned long addr, unsigned long end, phys_addr_t phys_addr, pgprot_t prot) { pgd_t *pgd; - unsigned long start; + unsigned long __maybe_unused start; unsigned long next; int err;
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