Patch "pcmcia: Use resource_size function on resource object" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    pcmcia: Use resource_size function on resource object

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     pcmcia-use-resource_size-function-on-resource-object.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 87cb76292eed81c789f44af58d25958b08943f81
Author: Jules Irenge <jbi.octave@xxxxxxxxx>
Date:   Sun May 12 23:31:21 2024 +0100

    pcmcia: Use resource_size function on resource object
    
    [ 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>

diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 84bfc0e85d6b..f15b72c6e57e 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)




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