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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:38 +0000
commit9351405e44641037ccff29c0d88d92c0617b5088 (patch)
treedfee90e28394ae31df1033696f8656add6c4fc26 /drivers/hv
parentReleasing progress-linux version 4.19.249-2progress5u1. (diff)
downloadlinux-9351405e44641037ccff29c0d88d92c0617b5088.tar.xz
linux-9351405e44641037ccff29c0d88d92c0617b5088.zip
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/vmbus_drv.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index fca092cfe..9cbe0b00e 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1846,7 +1846,7 @@ int vmbus_allocate_mmio(struct resource **new, struct hv_device *device_obj,
bool fb_overlap_ok)
{
struct resource *iter, *shadow;
- resource_size_t range_min, range_max, start;
+ resource_size_t range_min, range_max, start, end;
const char *dev_n = dev_name(&device_obj->device);
int retval;
@@ -1881,6 +1881,14 @@ int vmbus_allocate_mmio(struct resource **new, struct hv_device *device_obj,
range_max = iter->end;
start = (range_min + align - 1) & ~(align - 1);
for (; start + size - 1 <= range_max; start += align) {
+ end = start + size - 1;
+
+ /* Skip the whole fb_mmio region if not fb_overlap_ok */
+ if (!fb_overlap_ok && fb_mmio &&
+ (((start >= fb_mmio->start) && (start <= fb_mmio->end)) ||
+ ((end >= fb_mmio->start) && (end <= fb_mmio->end))))
+ continue;
+
shadow = __request_region(iter, start, size, NULL,
IORESOURCE_BUSY);
if (!shadow)