From: Greg Kroah-Hartman Date: Thu, 30 Apr 2020 07:13:40 +0000 (+0200) Subject: 4.19-stable patches X-Git-Tag: v5.4.37~58 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dbc1e16090c6dc8d8f656162862389482be991ae;p=thirdparty%2Fkernel%2Fstable-queue.git 4.19-stable patches added patches: remoteproc-fix-wrong-rvring-index-computation.patch --- diff --git a/queue-4.19/remoteproc-fix-wrong-rvring-index-computation.patch b/queue-4.19/remoteproc-fix-wrong-rvring-index-computation.patch new file mode 100644 index 00000000000..fa86d8c5137 --- /dev/null +++ b/queue-4.19/remoteproc-fix-wrong-rvring-index-computation.patch @@ -0,0 +1,35 @@ +From 00a0eec59ddbb1ce966b19097d8a8d2f777e726a Mon Sep 17 00:00:00 2001 +From: Clement Leger +Date: Fri, 4 Oct 2019 09:37:36 +0200 +Subject: remoteproc: Fix wrong rvring index computation + +From: Clement Leger + +commit 00a0eec59ddbb1ce966b19097d8a8d2f777e726a upstream. + +Index of rvring is computed using pointer arithmetic. However, since +rvring->rvdev->vring is the base of the vring array, computation +of rvring idx should be reversed. It previously lead to writing at negative +indices in the resource table. + +Signed-off-by: Clement Leger +Link: https://lore.kernel.org/r/20191004073736.8327-1-cleger@kalray.eu +Signed-off-by: Bjorn Andersson +Cc: Doug Anderson +Signed-off-by: Greg Kroah-Hartman + +--- + drivers/remoteproc/remoteproc_core.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/remoteproc/remoteproc_core.c ++++ b/drivers/remoteproc/remoteproc_core.c +@@ -289,7 +289,7 @@ void rproc_free_vring(struct rproc_vring + { + int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align)); + struct rproc *rproc = rvring->rvdev->rproc; +- int idx = rvring->rvdev->vring - rvring; ++ int idx = rvring - rvring->rvdev->vring; + struct fw_rsc_vdev *rsc; + + dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma); diff --git a/queue-4.19/series b/queue-4.19/series new file mode 100644 index 00000000000..30560c0a71f --- /dev/null +++ b/queue-4.19/series @@ -0,0 +1 @@ +remoteproc-fix-wrong-rvring-index-computation.patch