diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4855-drm-amd-display-off-by-one-in-find_irq_source_info.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4855-drm-amd-display-off-by-one-in-find_irq_source_info.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4855-drm-amd-display-off-by-one-in-find_irq_source_info.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4855-drm-amd-display-off-by-one-in-find_irq_source_info.patch new file mode 100644 index 00000000..6ccdfe45 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4855-drm-amd-display-off-by-one-in-find_irq_source_info.patch @@ -0,0 +1,34 @@ +From a8d9fbbd656f7100ab49705302b7798b61558ecd Mon Sep 17 00:00:00 2001 +From: Dan Carpenter <dan.carpenter@oracle.com> +Date: Wed, 4 Jul 2018 12:46:15 +0300 +Subject: [PATCH 4855/5725] drm/amd/display: off by one in + find_irq_source_info() + +The ->info[] array has DAL_IRQ_SOURCES_NUMBER elements so this condition +should be >= instead of > or we could read one element beyond the end of +the array. + +Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") +Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/irq/irq_service.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c +index dcdfa0f..604bea0 100644 +--- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c ++++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c +@@ -78,7 +78,7 @@ const struct irq_source_info *find_irq_source_info( + struct irq_service *irq_service, + enum dc_irq_source source) + { +- if (source > DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID) ++ if (source >= DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID) + return NULL; + + return &irq_service->info[source]; +-- +2.7.4 + |