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fix(esp_driver_usb): set errno if usj not connect in vfs read/write

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This commit is contained in:
wuzhenghui
2026-07-23 21:47:16 +08:00
parent 102122904a
commit 7fd91c00dd
1 changed files with 3 additions and 3 deletions
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components/esp_driver_usb_serial_jtag/src/usb_serial_jtag_vfs.c
+3 -3
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@@ -183,7 +183,7 @@ static int usb_serial_jtag_rx_char_no_driver(int fd)
static ssize_t usb_serial_jtag_write(__attribute__((unused)) void *ctx, int fd, const void * data, size_t size)
{
if (!usb_serial_jtag_is_connected()) {
// TODO: IDF-14303
errno = EIO;
return -1;
}
const char *data_c = (const char *)data;
@@ -231,7 +231,7 @@ static void usb_serial_jtag_return_char(int fd, int c)
static ssize_t usb_serial_jtag_read(__attribute__((unused)) void *ctx, int fd, void* data, size_t size)
{
if (!usb_serial_jtag_is_connected()) {
// TODO: IDF-14303
errno = EIO;
return -1;
}
assert(fd == USJ_LOCAL_FD);
@@ -358,7 +358,7 @@ static int usb_serial_jtag_wait_tx_done_no_driver(int fd)
static int usb_serial_jtag_fsync(__attribute__((unused)) void *ctx, int fd)
{
if (!usb_serial_jtag_is_connected()) {
// TODO: IDF-14303
errno = EIO;
return -1;
}
_lock_acquire_recursive(&s_ctx.write_lock);