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| author | Andrew Morton <akpm@linux-foundation.org> | 2023-01-19 03:52:20 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-19 03:52:20 +0300 |
| commit | bd86d2ea369be2e768b58cba590e70b8bdc6f86a (patch) | |
| tree | 4cd68e21041237c0a4d7e0299f9bb3eeb1ac1e2c /drivers/platform/surface/aggregator/ssh_request_layer.c | |
| parent | 19fa92fb72f8bc542f1673862058f3b078114004 (diff) | |
| parent | 5dc4c995db9eb45f6373a956eb1f69460e69e6d4 (diff) | |
| download | linux-bd86d2ea369be2e768b58cba590e70b8bdc6f86a.tar.xz | |
Sync with v6.2-rc4
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'drivers/platform/surface/aggregator/ssh_request_layer.c')
| -rw-r--r-- | drivers/platform/surface/aggregator/ssh_request_layer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c index f5565570f16c..69132976d297 100644 --- a/drivers/platform/surface/aggregator/ssh_request_layer.c +++ b/drivers/platform/surface/aggregator/ssh_request_layer.c @@ -916,6 +916,20 @@ static void ssh_rtl_rx_command(struct ssh_ptl *p, const struct ssam_span *data) if (sshp_parse_command(dev, data, &command, &command_data)) return; + /* + * Check if the message was intended for us. If not, drop it. + * + * Note: We will need to change this to handle debug messages. On newer + * generation devices, these seem to be sent to tid_out=0x03. We as + * host can still receive them as they can be forwarded via an override + * option on SAM, but doing so does not change tid_out=0x00. + */ + if (command->tid_out != 0x00) { + rtl_warn(rtl, "rtl: dropping message not intended for us (tid = %#04x)\n", + command->tid_out); + return; + } + if (ssh_rqid_is_event(get_unaligned_le16(&command->rqid))) ssh_rtl_rx_event(rtl, command, &command_data); else |