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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-06-19 05:06:31 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-07-15 23:59:30 +0200 |
| commit | b5c9ee8296a3760760c7b5d2e305f91412adc795 (patch) | |
| tree | d55e444f7f3ec55250d9c2df58dba6bf546a2a62 | |
| parent | rpmsg: char: Add RPMSG GET/SET FLOWCONTROL IOCTL support (diff) | |
| download | linux-b5c9ee8296a3760760c7b5d2e305f91412adc795.tar.xz linux-b5c9ee8296a3760760c7b5d2e305f91412adc795.zip | |
rpmsg: glink: Add check for kstrdup
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@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230619030631.12361-1-jiasheng@iscas.ac.cn
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | drivers/rpmsg/qcom_glink_native.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 2db82f67e689..e10c05ed21bb 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -227,6 +227,10 @@ 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); |