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path: root/sys/dev/sfxge/common/efx_phy.c
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Diffstat (limited to 'sys/dev/sfxge/common/efx_phy.c')
-rw-r--r--sys/dev/sfxge/common/efx_phy.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/dev/sfxge/common/efx_phy.c b/sys/dev/sfxge/common/efx_phy.c
index 8d5a34757466..1ebc63fa65f3 100644
--- a/sys/dev/sfxge/common/efx_phy.c
+++ b/sys/dev/sfxge/common/efx_phy.c
@@ -317,8 +317,8 @@ efx_phy_media_type_get(
efx_phy_module_get_info(
__in efx_nic_t *enp,
__in uint8_t dev_addr,
- __in uint8_t offset,
- __in uint8_t len,
+ __in size_t offset,
+ __in size_t len,
__out_bcount(len) uint8_t *data)
{
efx_rc_t rc;
@@ -326,7 +326,8 @@ efx_phy_module_get_info(
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT(data != NULL);
- if ((uint32_t)offset + len > 0x100) {
+ if ((offset > EFX_PHY_MEDIA_INFO_MAX_OFFSET) ||
+ ((offset + len) > EFX_PHY_MEDIA_INFO_MAX_OFFSET)) {
rc = EINVAL;
goto fail1;
}