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| author | Thanos Makatos <thanos.makatos@nutanix.com> | 2019-09-20 09:14:48 -0400 |
|---|---|---|
| committer | Thanos <tmakatos@gmail.com> | 2019-09-27 15:59:11 +0100 |
| commit | b6cdbea1431996d9ec67a5a4471b387440cdfebc (patch) | |
| tree | bb38fb9b4cfc63a3df7b1840e8b01aacf6fcbc42 /kmod | |
| parent | aa70fe6a562f235832b2ed8b45ca3e5f04651675 (diff) | |
| download | libvfio-user-b6cdbea1431996d9ec67a5a4471b387440cdfebc.zip libvfio-user-b6cdbea1431996d9ec67a5a4471b387440cdfebc.tar.gz libvfio-user-b6cdbea1431996d9ec67a5a4471b387440cdfebc.tar.bz2 | |
log message in kernel when reading from libmuser fails
Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Diffstat (limited to 'kmod')
| -rw-r--r-- | kmod/muser.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kmod/muser.c b/kmod/muser.c index c8b0a9e..2d9d20d 100644 --- a/kmod/muser.c +++ b/kmod/muser.c @@ -1549,8 +1549,13 @@ static long libmuser_unl_ioctl(struct file *filep, case MUSER_MMAP: ret = mmap_done(mucmd); break; - case MUSER_WRITE: case MUSER_READ: + if (mucmd->muser_cmd.err < 0) { + muser_alert("read failed: %d", + mucmd->muser_cmd.err); + } + break; + case MUSER_WRITE: case MUSER_DMA_MMAP: case MUSER_DMA_MUNMAP: break; |