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Do not attempt to free a nfs node if it is the root node. The root

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node is statically allocated and is not guarded, so free will panic
in nfs_close.
This commit is contained in:
Paul Saab 2000-05-01 10:53:21 +00:00
parent 89fad7112d
commit f12d45d9d6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=59824
1 changed files with 3 additions and 2 deletions
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5
lib/libstand/nfs.c
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@ -109,6 +109,8 @@ static int nfs_write(struct open_file *f, void *buf, size_t size, size_t *resid)
static off_t nfs_seek(struct open_file *f, off_t offset, int where);
static int nfs_stat(struct open_file *f, struct stat *sb);
static struct nfs_iodesc nfs_root_node;
struct fs_ops nfs_fsops = {
"nfs",
nfs_open,
@ -363,7 +365,6 @@ nfs_open(upath, f)
const char *upath;
struct open_file *f;
{
static struct nfs_iodesc nfs_root_node;
struct iodesc *desc;
struct nfs_iodesc *currfd;
#ifndef NFS_NOSYMLINK
@ -546,7 +547,7 @@ nfs_close(f)
printf("nfs_close: fp=0x%lx\n", (u_long)fp);
#endif
if (fp)
if (fp != &nfs_root_node && fp)
free(fp);
f->f_fsdata = (void *)0;