diff options
| author | Steve Markgraf <steve@steve-m.de> | 2020-05-26 22:02:09 +0200 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2020-05-26 22:02:09 +0200 |
| commit | 44b6e3b9290991a27337b48106a5fe09c9d2df4e (patch) | |
| tree | 855fc2aa0e8fd13347a5218d2cb1f28a4800dc04 | |
| parent | 58de0a5bccb6648ee3372643517ea51b3ab5b523 (diff) | |
| download | osmo-fl2k-44b6e3b9290991a27337b48106a5fe09c9d2df4e.tar.gz osmo-fl2k-44b6e3b9290991a27337b48106a5fe09c9d2df4e.tar.bz2 osmo-fl2k-44b6e3b9290991a27337b48106a5fe09c9d2df4e.zip | |
lib: reuse hint message when zero-copy buffer alloc fails
| -rw-r--r-- | src/libosmo-fl2k.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/libosmo-fl2k.c b/src/libosmo-fl2k.c index 2ac371e..8d15581 100644 --- a/src/libosmo-fl2k.c +++ b/src/libosmo-fl2k.c @@ -585,6 +585,10 @@ static int fl2k_alloc_submit_transfers(fl2k_dev_t *dev) { unsigned int i; int r = 0; + const char *incr_usbfs = "Please increase your allowed usbfs buffer" + " size with the following command:\n" + "echo 0 > /sys/module/usbcore/parameters/" + "usbfs_memory_mb\n"; if (!dev) return FL2K_ERROR_INVALID_PARAM; @@ -625,8 +629,9 @@ static int fl2k_alloc_submit_transfers(fl2k_dev_t *dev) } } else { fprintf(stderr, "Failed to allocate zero-copy " - "buffer for transfer %d\nFalling " - "back to buffers in userspace\n", i); + "buffer for transfer %d\n%sFalling " + "back to buffers in userspace\n", + i, incr_usbfs); dev->use_zerocopy = 0; break; } @@ -680,12 +685,8 @@ static int fl2k_alloc_submit_transfers(fl2k_dev_t *dev) dev->xfer_info[i].state = BUF_SUBMITTED; if (r < 0) { - fprintf(stderr, "Failed to submit transfer %i\n" - "Please increase your allowed " - "usbfs buffer size with the " - "following command:\n" - "echo 0 > /sys/module/usbcore" - "/parameters/usbfs_memory_mb\n", i); + fprintf(stderr, "Failed to submit transfer %i\n%s", + i, incr_usbfs); break; } } |