From dc9f65cf9aea13167bb930d118dbd31ef6f03180 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 26 Mar 2018 15:06:00 -0400 Subject: [PATCH] media: staging: atomisp: avoid a warning if 32 bits build Checking if a size_t value is bigger than ULONG_INT only makes sense if building on 64 bits, as warned by: drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c:697 gmin_get_config_var() warn: impossible condition '(*out_len > (~0)) => (0-u32max > u32max)' Acked-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- .../media/atomisp/platform/intel-mid/atomisp_gmin_platform.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c index be0c5e11e86b..3283c1b05d6a 100644 --- a/drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c +++ b/drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c @@ -693,9 +693,11 @@ static int gmin_get_config_var(struct device *dev, const char *var, for (i = 0; i < sizeof(var8) && var8[i]; i++) var16[i] = var8[i]; +#ifdef CONFIG_64BIT /* To avoid owerflows when calling the efivar API */ if (*out_len > ULONG_MAX) return -EINVAL; +#endif /* Not sure this API usage is kosher; efivar_entry_get()'s * implementation simply uses VariableName and VendorGuid from -- 2.45.2