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-rw-r--r--fs/proc/proc_sysctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index ae4b0fd9033..998e3a715bc 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -402,6 +402,10 @@ static int proc_sys_compare(const struct dentry *parent,
const struct dentry *dentry, const struct inode *inode,
unsigned int len, const char *str, const struct qstr *name)
{
+ /* Although proc doesn't have negative dentries, rcu-walk means
+ * that inode here can be NULL */
+ if (!inode)
+ return 0;
if (name->len != len)
return 1;
if (memcmp(name->name, str, len))