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authorJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
committerJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /drivers/mailbox/mailbox-test.c
parentRDMA/bnxt_re: Fix an IS_ERR() vs NULL check (diff)
parentLinux 6.4 (diff)
downloadkernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.tar.gz
kernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.zip
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/[email protected] Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'drivers/mailbox/mailbox-test.c')
-rw-r--r--drivers/mailbox/mailbox-test.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index c4a705c30331..fc6a12a51b40 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -98,6 +98,7 @@ static ssize_t mbox_test_message_write(struct file *filp,
size_t count, loff_t *ppos)
{
struct mbox_test_device *tdev = filp->private_data;
+ char *message;
void *data;
int ret;
@@ -113,12 +114,13 @@ static ssize_t mbox_test_message_write(struct file *filp,
return -EINVAL;
}
- mutex_lock(&tdev->mutex);
-
- tdev->message = kzalloc(MBOX_MAX_MSG_LEN, GFP_KERNEL);
- if (!tdev->message)
+ message = kzalloc(MBOX_MAX_MSG_LEN, GFP_KERNEL);
+ if (!message)
return -ENOMEM;
+ mutex_lock(&tdev->mutex);
+
+ tdev->message = message;
ret = copy_from_user(tdev->message, userbuf, count);
if (ret) {
ret = -EFAULT;