| Message ID | 1547128151-44077-3-git-send-email-loic.pallardy@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | remoteproc: Fixes for memoy carveout management | expand |
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index c1a66e25b173..28df71cb3fef 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -204,6 +204,10 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) list_for_each_entry(carveout, &rproc->carveouts, node) { int offset = da - carveout->da; + /* Verify that carveout is allocated */ + if (!carveout->va) + continue; + /* try next carveout if da is too small */ if (offset < 0) continue;
With introduction of rproc_alloc_registered_carveouts() which delays carveout allocation just before the start of the remote processor, rproc_da_to_va() could be called before all carveouts are allocated. This patch adds a check in rproc_da_to_va() to return NULL if carveout is not allocated. Fixes: d7c51706d095 ("remoteproc: add alloc ops in rproc_mem_entry struct") Signed-off-by: Loic Pallardy <loic.pallardy@st.com> --- drivers/remoteproc/remoteproc_core.c | 4 ++++ 1 file changed, 4 insertions(+)