Patch "rpmsg: glink: Add check for kstrdup" has been added to the 6.4-stable tree

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

    rpmsg: glink: Add check for kstrdup

to the 6.4-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:
     rpmsg-glink-add-check-for-kstrdup.patch
and it can be found in the queue-6.4 subdirectory.

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



commit 7220160a0cb280e0a2f41e293506c0b575af924c
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date:   Mon Jun 19 11:06:31 2023 +0800

    rpmsg: glink: Add check for kstrdup
    
    [ Upstream commit b5c9ee8296a3760760c7b5d2e305f91412adc795 ]
    
    Add check for the return value of kstrdup() and return the error
    if it fails in order to avoid NULL pointer dereference.
    
    Fixes: b4f8e52b89f6 ("rpmsg: Introduce Qualcomm RPM glink driver")
    Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230619030631.12361-1-jiasheng@xxxxxxxxxxx
    Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 1beb40a1d3df2..e4015db99899d 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -221,6 +221,10 @@ static struct glink_channel *qcom_glink_alloc_channel(struct qcom_glink *glink,
 
 	channel->glink = glink;
 	channel->name = kstrdup(name, GFP_KERNEL);
+	if (!channel->name) {
+		kfree(channel);
+		return ERR_PTR(-ENOMEM);
+	}
 
 	init_completion(&channel->open_req);
 	init_completion(&channel->open_ack);



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