aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/remoteproc/wkup_m3_rproc.c
diff options
context:
space:
mode:
authorClement Leger <cleger@kalray.eu>2020-03-02 10:38:55 +0100
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-03-25 22:29:38 -0700
commit9ce3bf225e5a908756b90b8f7bbc38834427296b (patch)
tree7510f5f0b6672f412a0152c4ea94bf4bb65e920c /drivers/remoteproc/wkup_m3_rproc.c
parentremoteproc: fix kernel-doc warnings (diff)
downloadwireguard-linux-9ce3bf225e5a908756b90b8f7bbc38834427296b.tar.xz
wireguard-linux-9ce3bf225e5a908756b90b8f7bbc38834427296b.zip
remoteproc: Use size_t type for len in da_to_va
With upcoming changes in elf loader for elf64 support, section size will be a u64. When used with da_to_va, this will potentially lead to overflow if using the current "int" type for len argument. Change da_to_va prototype to use a size_t for len and fix all users of this function. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200302093902.27849-2-cleger@kalray.eu Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc/wkup_m3_rproc.c')
-rw-r--r--drivers/remoteproc/wkup_m3_rproc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c
index 3984e585c847..b9349d684258 100644
--- a/drivers/remoteproc/wkup_m3_rproc.c
+++ b/drivers/remoteproc/wkup_m3_rproc.c
@@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc)
return 0;
}
-static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
+static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct wkup_m3_rproc *wkupm3 = rproc->priv;
void *va = NULL;
int i;
u32 offset;
- if (len <= 0)
+ if (len == 0)
return NULL;
for (i = 0; i < WKUPM3_MEM_MAX; i++) {