diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0425-staging-vc04_services-Fix-vcsm-overflow-bug-when-cou.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0425-staging-vc04_services-Fix-vcsm-overflow-bug-when-cou.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0425-staging-vc04_services-Fix-vcsm-overflow-bug-when-cou.patch b/target/linux/bcm27xx/patches-5.4/950-0425-staging-vc04_services-Fix-vcsm-overflow-bug-when-cou.patch new file mode 100644 index 0000000000..4774fd2326 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0425-staging-vc04_services-Fix-vcsm-overflow-bug-when-cou.patch @@ -0,0 +1,26 @@ +From 38e906c77467bf83ec130bea6859b46ea1e0d4b8 Mon Sep 17 00:00:00 2001 +From: Naushir Patuck <naush@raspberrypi.com> +Date: Thu, 30 Jan 2020 12:35:44 +0000 +Subject: [PATCH] staging: vc04_services: Fix vcsm overflow bug when + counting transactions + +The response block and local state were using u16 and u32 respectively +to represent transaction id. When the former would wrap, there is a +mismatch and subsequent transactions will be marked as failures. + +Signed-off-by: Naushir Patuck <naush@raspberrypi.com> +--- + drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c ++++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c +@@ -34,7 +34,7 @@ struct sm_cmd_rsp_blk { + /* To be signaled when the response is there */ + struct completion cmplt; + +- u16 id; ++ u32 id; + u16 length; + + u8 msg[VC_SM_MAX_MSG_LEN]; |