Kernel: Enable IRQs before sending commands to the E1000 adapter

This change prevents a race condition, in which case we send a command and we are losing an interrupt.
Author: https://github.com/supercomputer7 Commit: https://github.com/SerenityOS/serenity/commit/893d4a41c2d Pull-request: https://github.com/SerenityOS/serenity/pull/1361 Reviewed-by: https://github.com/awesomekling
2020-03-06 15:52:44 +02:00 · 2020-03-06 15:52:44 +02:00 · 893d4a41c2 · 2024-07-19 08:09:36 +09:00
commit 893d4a41c2
parent 7c859efa85
1 changed files with 1 additions and 1 deletions
--- a/Kernel/Net/E1000NetworkAdapter.cpp
+++ b/Kernel/Net/E1000NetworkAdapter.cpp
@ -377,9 +377,9 @@ void E1000NetworkAdapter::send_raw(const u8* data, size_t length)
    klog() << "E1000: Using tx descriptor " << tx_current << " (head is at " << in32(REG_TXDESCHEAD) << ")";
 #endif
    tx_current = (tx_current + 1) % number_of_tx_descriptors;
-    out32(REG_TXDESCTAIL, tx_current);
    cli();
    enable_irq();
+    out32(REG_TXDESCTAIL, tx_current);
    for (;;) {
        if (descriptor.status) {
            sti();