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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:35:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:35:38 +0000
commit4f8f1553146401921349e8e78962dff48cde846a (patch)
treebf5ef5abdf1ca1370eb3947d70a2c176b6b69edd /drivers/firewire/nosy.c
parentAdding upstream version 6.8.9. (diff)
downloadlinux-4f8f1553146401921349e8e78962dff48cde846a.tar.xz
linux-4f8f1553146401921349e8e78962dff48cde846a.zip
Adding upstream version 6.8.11.upstream/6.8.11
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/firewire/nosy.c')
-rw-r--r--drivers/firewire/nosy.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c
index b0d671db17..ea31ac7ac1 100644
--- a/drivers/firewire/nosy.c
+++ b/drivers/firewire/nosy.c
@@ -148,10 +148,12 @@ packet_buffer_get(struct client *client, char __user *data, size_t user_length)
if (atomic_read(&buffer->size) == 0)
return -ENODEV;
- /* FIXME: Check length <= user_length. */
+ length = buffer->head->length;
+
+ if (length > user_length)
+ return 0;
end = buffer->data + buffer->capacity;
- length = buffer->head->length;
if (&buffer->head->data[length] < end) {
if (copy_to_user(data, buffer->head->data, length))