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tpm: fix type of a local variable in tpm2_get_cc_attrs_tbl()

The local variable 'attrs' should have the type __be32 instead of u32.

Fixes: 58472f5cd4f6 ("tpm: validate TPM 2.0 commands")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Jarkko Sakkinen 8 年之前
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共有 1 个文件被更改,包括 2 次插入2 次删除
  1. 2 2
      drivers/char/tpm/tpm2-cmd.c

+ 2 - 2
drivers/char/tpm/tpm2-cmd.c

@@ -980,7 +980,7 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip)
 {
 {
 	struct tpm_buf buf;
 	struct tpm_buf buf;
 	u32 nr_commands;
 	u32 nr_commands;
-	u32 *attrs;
+	__be32 *attrs;
 	u32 cc;
 	u32 cc;
 	int i;
 	int i;
 	int rc;
 	int rc;
@@ -1020,7 +1020,7 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip)
 
 
 	chip->nr_commands = nr_commands;
 	chip->nr_commands = nr_commands;
 
 
-	attrs = (u32 *)&buf.data[TPM_HEADER_SIZE + 9];
+	attrs = (__be32 *)&buf.data[TPM_HEADER_SIZE + 9];
 	for (i = 0; i < nr_commands; i++, attrs++) {
 	for (i = 0; i < nr_commands; i++, attrs++) {
 		chip->cc_attrs_tbl[i] = be32_to_cpup(attrs);
 		chip->cc_attrs_tbl[i] = be32_to_cpup(attrs);
 		cc = chip->cc_attrs_tbl[i] & 0xFFFF;
 		cc = chip->cc_attrs_tbl[i] & 0xFFFF;