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Subject: media: staging: atomisp: avoid a warning if 32 bits build
Author: Mauro Carvalho Chehab <mche...@s-opensource.com>
Date: Mon Mar 26 15:06:00 2018 -0400
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 <sakari.ai...@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
.../staging/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
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