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| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-08 21:12:11 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-06-08 21:12:11 +0000 |
| commit | f65dc3bebd97e5b9951fa44bb6365275f7f00791 (patch) | |
| tree | e022bb92db67e5e788d362087bf4f9134c017b9c /EmbeddedPkg | |
| parent | 420462d0fbc56ded2fe9283928c058b06ab27f61 (diff) | |
| download | edk2-platforms-f65dc3bebd97e5b9951fa44bb6365275f7f00791.tar.xz | |
Fix bug in SerialRead returning error if no data was present.
No data should not be an error return. Causing lots of REPORT_STATUS_CODE messages out of the TerminalDxe driver.
Signed-off-by: andrewfish
Reviewed-by: andrewfish
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11770 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EmbeddedPkg')
| -rw-r--r-- | EmbeddedPkg/SerialDxe/SerialIo.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/EmbeddedPkg/SerialDxe/SerialIo.c b/EmbeddedPkg/SerialDxe/SerialIo.c index b9ea4b9c42..fe0b1711a8 100644 --- a/EmbeddedPkg/SerialDxe/SerialIo.c +++ b/EmbeddedPkg/SerialDxe/SerialIo.c @@ -193,8 +193,12 @@ SerialRead ( if (SerialPortPoll()) {
Count = SerialPortRead (Buffer, *BufferSize);
*BufferSize = Count;
+ return (Count == 0) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
}
- return (Count == 0) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
+
+ // No data to return
+ *BufferSize = 0;
+ return EFI_SUCCESS;
}
|