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devfs: dont raise "no more trees" if malloc fails

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This commit is contained in:
cinap_lenrek 2011-12-13 16:12:40 +01:00
parent 1238374df9
commit bef3c5a3c5
1 changed files with 5 additions and 4 deletions
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9
sys/src/9/port/devfs.c
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@ -250,7 +250,7 @@ treealloc(char *name)
return nil;
t = trees[i] = mallocz(sizeof(Tree), 1);
if(t == nil)
return nil;
error(Enomem);
if(i == ntrees)
ntrees++;
kstrdup(&t->name, name);
@ -675,10 +675,11 @@ Fail:
t = lookuptree(tname);
if(t != nil)
validdevname(t, dname);
else
else{
t = treealloc(tname);
if(t == nil)
error("no more trees");
if(t == nil)
error("no more trees");
}
mp = devalloc(t, dname);
if(mp == nil){
if(t->ndevs == 0) /* it was created for us */