4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jules Irenge <jbi.octave@xxxxxxxxx>
[ Upstream commit 24a025497e7e883bd2adef5d0ece1e9b9268009f ]
Cocinnele reports a warning
WARNING: Suspicious code. resource_size is maybe missing with root
The root cause is the function resource_size is not used when needed
Use resource_size() on variable "root" of type resource
Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/pcmcia/yenta_socket.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index ac6a3f46b1e6..738660002ef3 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -636,11 +636,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res,
start = PCIBIOS_MIN_CARDBUS_IO;
end = ~0U;
} else {
- unsigned long avail = root->end - root->start;
+ unsigned long avail = resource_size(root);
int i;
size = BRIDGE_MEM_MAX;
- if (size > avail/8) {
- size = (avail+1)/8;
+ if (size > (avail - 1) / 8) {
+ size = avail / 8;
/* round size down to next power of 2 */
i = 0;
while ((size /= 2) != 0)
--
2.43.0
