tpm: report driver error code to upper layer

Instead of returning a generic 'library' error, report back the actual error code so it can be displayed to the user by the regular error path. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>

tpm: report driver error code to upper layer
Instead of returning a generic 'library' error, report back the actual error code so it can be displayed to the user by the regular error path. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
Miquel Raynal · Tom Rini
1 parent aa643013e4
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
lib/tpm-common.c
@@ -169,7 +169,8 @@
 		       response, &response_length);
  
 	if (err < 0)
-		return TPM_LIB_ERROR;
+		return err;
+
 	if (size_ptr)
 		*size_ptr = response_length;
...	...	@@ -169,7 +169,8 @@
169	169	response, &response_length);
170	170
171	171	if (err < 0)
172		- return TPM_LIB_ERROR;
	172	+ return err;
	173	+
173	174	if (size_ptr)
174	175	*size_ptr = response_length;
175	176