[v2,5/8] remoteproc: Don't handle empty resource table

Message ID 20180105235805.9948-6-bjorn.andersson@linaro.org
State Accepted
Commit d4bb86f2c39cdd31338dd0274540596aa9ae82c3
Headers show
Series
  • Remoteproc cleanups
Related show

Commit Message

Bjorn Andersson Jan. 5, 2018, 11:58 p.m.
Allow a NULL table_ptr to have the same meaning as a table with 0
entries, allowing a subsequent patch to skip the assignment step.

A few other places in the implementation does dereference table_ptr, but
they are currently all coming from rproc_handle_resources().

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

---

Changes since v1:
- None

 drivers/remoteproc/remoteproc_core.c | 3 +++
 1 file changed, 3 insertions(+)

-- 
2.15.0

Patch

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 2c669a73e77d..3160cfe897da 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -739,6 +739,9 @@  static int rproc_handle_resources(struct rproc *rproc,
 	rproc_handle_resource_t handler;
 	int ret = 0, i;
 
+	if (!rproc->table_ptr)
+		return 0;
+
 	for (i = 0; i < rproc->table_ptr->num; i++) {
 		int offset = rproc->table_ptr->offset[i];
 		struct fw_rsc_hdr *hdr = (void *)rproc->table_ptr + offset;