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Subject: media: omap3isp: avoid warnings at IS_OUT_OF_BOUNDS() Author: Mauro Carvalho Chehab <[email protected]> Date: Mon Nov 22 09:20:50 2021 +0000 Clang with W=1 produces the following warnings: drivers/media/platform/omap3isp/isph3a_af.c:173:6: error: result of comparison of constant 256 with expression of type '__u8' (aka 'unsigned char') is always false [-Werror,-Wtautological-constant-out-of-range-compare] if (IS_OUT_OF_BOUNDS(paxel_cfg->height, OMAP3ISP_AF_PAXEL_HEIGHT_MIN, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/omap3isp/isph3a_af.c:24:33: note: expanded from macro 'IS_OUT_OF_BOUNDS' (((value) < (min)) || ((value) > (max))) ~~~~~~~ ^ ~~~~~ drivers/media/platform/omap3isp/isph3a_af.c:179:6: error: result of comparison of constant 256 with expression of type '__u8' (aka 'unsigned char') is always false [-Werror,-Wtautological-constant-out-of-range-compare] if (IS_OUT_OF_BOUNDS(paxel_cfg->width, OMAP3ISP_AF_PAXEL_WIDTH_MIN, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/omap3isp/isph3a_af.c:24:33: note: expanded from macro 'IS_OUT_OF_BOUNDS' (((value) < (min)) || ((value) > (max))) ~~~~~~~ ^ ~~~~~ 2 errors generated. Use a typecast to avoid such warnings. Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/omap3isp/isph3a_af.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- diff --git a/drivers/media/platform/omap3isp/isph3a_af.c b/drivers/media/platform/omap3isp/isph3a_af.c index a65cfdfa9637..de7b116d0122 100644 --- a/drivers/media/platform/omap3isp/isph3a_af.c +++ b/drivers/media/platform/omap3isp/isph3a_af.c @@ -21,7 +21,7 @@ #include "ispstat.h" #define IS_OUT_OF_BOUNDS(value, min, max) \ - (((value) < (min)) || ((value) > (max))) + ((((unsigned int)value) < (min)) || (((unsigned int)value) > (max))) static void h3a_af_setup_regs(struct ispstat *af, void *priv) { _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
