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-rw-r--r--sys/src/libplumb/mesg.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/src/libplumb/mesg.c b/sys/src/libplumb/mesg.c
index 5b111f679..e8aa2b5ad 100644
--- a/sys/src/libplumb/mesg.c
+++ b/sys/src/libplumb/mesg.c
@@ -95,8 +95,10 @@ plumbpackattr(Plumbattr *attr)
for(a=attr; a!=nil; a=a->next)
n += Strlen(a->name) + 1 + Strlen(quote(a->value, buf, bufe)) + 1;
s = malloc(n);
- if(s == nil)
+ if(s == nil){
+ free(buf);
return nil;
+ }
t = s;
*t = '\0';
for(a=attr; a!=nil; a=a->next){