Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTR

[u-boot] / drivers / tpm / tpm_tis_infineon.c

diff --git a/drivers/tpm/tpm_tis_infineon.c b/drivers/tpm/tpm_tis_infineon.c
index e3e20d899689af107bf1abc9b10b538bb467146a..f740c780525c3f0ac5b78eb53db5191cb8151d6a 100644 (file)
--- a/drivers/tpm/tpm_tis_infineon.c
+++ b/drivers/tpm/tpm_tis_infineon.c
@@ -33,8 +33,6 @@
 #include "tpm_tis.h"
 #include "tpm_internal.h"
 
-DECLARE_GLOBAL_DATA_PTR;
-
 enum i2c_chip_type {
        SLB9635,
        SLB9645,
@@ -374,7 +372,8 @@ static int tpm_tis_i2c_recv(struct udevice *dev, u8 *buf, size_t count)
 {
        struct tpm_chip *chip = dev_get_priv(dev);
        int size = 0;
-       int expected, status;
+       int status;
+       unsigned int expected;
        int rc;
 
        status = tpm_tis_i2c_status(dev);
@@ -394,7 +393,7 @@ static int tpm_tis_i2c_recv(struct udevice *dev, u8 *buf, size_t count)
        }
 
        expected = get_unaligned_be32(buf + TPM_RSP_SIZE_BYTE);
-       if ((size_t)expected > count) {
+       if ((size_t)expected > count || (size_t)expected < TPM_HEADER_SIZE) {
                debug("Error size=%x, expected=%x, count=%x\n", size, expected,
                      count);
                return -ENOSPC;