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* [PATCH] libxl: fix POLLHUP handling
@ 2016-03-31 12:50 Roger Pau Monne
  2016-04-05 15:12 ` Wei Liu
  0 siblings, 1 reply; 3+ messages in thread
From: Roger Pau Monne @ 2016-03-31 12:50 UTC (permalink / raw)
  To: xen-devel; +Cc: Wei Liu, Ian Jackson, Roger Pau Monne

The current code in bootloader_copyfail will error out on expected POLLHUPs
because of a missing "else" in the if clause.

The behaviour that triggers this bug has only been seen on FreeBSD so far.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Suggested-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
---
 tools/libxl/libxl_bootloader.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/libxl/libxl_bootloader.c b/tools/libxl/libxl_bootloader.c
index 0ae074a..2cfc8cf 100644
--- a/tools/libxl/libxl_bootloader.c
+++ b/tools/libxl/libxl_bootloader.c
@@ -591,8 +591,7 @@ static void bootloader_copyfail(libxl__egc *egc, const char *which,
         } else {
             LOG(ERROR, "unexpected POLLHUP on %s", which);
         }
-    }
-    if (!rc) {
+    } else if (!rc) {
         LOG(ERROR, "unexpected eof copying %s", which);
         rc = ERROR_FAIL;
     }
-- 
2.6.4 (Apple Git-63)


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2016-03-31 12:50 [PATCH] libxl: fix POLLHUP handling Roger Pau Monne
2016-04-05 15:12 ` Wei Liu
2016-04-06 13:48   ` Ian Jackson

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