[libvirt PATCH 1/3] bhyve: fix NULL pointer check position

Ján Tomko jtomko at redhat.com
Mon Aug 3 17:18:51 UTC 2020


src/bhyve/bhyve_parse_command.c:437:9: warning: Either the condition
'!config' is redundant or there is possible null pointer dereference:
config. [nullPointerRedundantCheck]

src/bhyve/bhyve_parse_command.c:280:23: warning: Either the condition
'!separator' is redundant or there is pointer arithmetic
with NULL pointer. [nullPointerArithmeticRedundantCheck]

Signed-off-by: Ján Tomko <jtomko at redhat.com>
---
 src/bhyve/bhyve_parse_command.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/bhyve/bhyve_parse_command.c b/src/bhyve/bhyve_parse_command.c
index b2d2280872..5e9cf7ba13 100644
--- a/src/bhyve/bhyve_parse_command.c
+++ b/src/bhyve/bhyve_parse_command.c
@@ -277,11 +277,11 @@ bhyveParseBhyveLPCArg(virDomainDefPtr def,
     char *type = NULL;
 
     separator = strchr(arg, ',');
+
+    if (!separator)
+        goto error;
+
     param = separator + 1;
-
-    if (!separator)
-        goto error;
-
     type = g_strndup(arg, separator - arg);
 
     /* Only support com%d */
@@ -434,14 +434,14 @@ bhyveParsePCIDisk(virDomainDefPtr def,
     disk->info.addr.pci.slot = pcislot;
     disk->info.addr.pci.function = function;
 
+    if (!config)
+        goto error;
+
     if (STRPREFIX(config, "/dev/"))
         disk->src->type = VIR_STORAGE_TYPE_BLOCK;
     else
         disk->src->type = VIR_STORAGE_TYPE_FILE;
 
-    if (!config)
-        goto error;
-
     separator = strchr(config, ',');
     if (separator)
         disk->src->path = g_strndup(config, separator - config);
-- 
2.26.2




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