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-rw-r--r--kernel/fs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/fs.c b/kernel/fs.c
index 247a86f..b220491 100644
--- a/kernel/fs.c
+++ b/kernel/fs.c
@@ -573,6 +573,7 @@ dirlookup(struct inode *dp, char *name, uint *poff)
}
// Write a new directory entry (name, inum) into the directory dp.
+// Returns 0 on success, -1 on failure (e.g. out of disk blocks).
int
dirlink(struct inode *dp, char *name, uint inum)
{
@@ -597,7 +598,7 @@ dirlink(struct inode *dp, char *name, uint inum)
strncpy(de.name, name, DIRSIZ);
de.inum = inum;
if(writei(dp, 0, (uint64)&de, off, sizeof(de)) != sizeof(de))
- panic("dirlink");
+ return -1;
return 0;
}