X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fauditsc.c;h=59cedfb040e7864cdfa3199ae2557f236cdd1122;hb=ba6271ea6324decab4c47c4a55de95188d930792;hp=496c3dd372761a4862791658d7635db3fca87e65;hpb=31582b094d640fdab3fd29237b348a4c7c8646fb;p=linux-2.6

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 496c3dd372..59cedfb040 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -243,7 +243,11 @@ static inline int open_arg(int flags, int mask)
 
 static int audit_match_perm(struct audit_context *ctx, int mask)
 {
-	unsigned n = ctx->major;
+	unsigned n;
+	if (unlikely(!ctx))
+		return 0;
+
+	n = ctx->major;
 	switch (audit_classify_syscall(ctx->arch, n)) {
 	case 0:	/* native */
 		if ((mask & AUDIT_PERM_WRITE) &&
@@ -284,6 +288,10 @@ static int audit_match_filetype(struct audit_context *ctx, int which)
 {
 	unsigned index = which & ~S_IFMT;
 	mode_t mode = which & S_IFMT;
+
+	if (unlikely(!ctx))
+		return 0;
+
 	if (index >= ctx->name_count)
 		return 0;
 	if (ctx->names[index].ino == -1)