[SPARC64]: Fix 32-bit execve out_mm error path.

Do not pass a NULL mm to mmdrop().

[SPARC64]: Fix 32-bit execve out_mm error path.
Do not pass a NULL mm to mmdrop().
c92c1e8d · David S. Miller · b2a910c7 · c92c1e8d
Commit c92c1e8d authored Jan 20, 2004 by David S. Miller
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arch/sparc64/kernel/sys_sparc32.c arch/sparc64/kernel/sys_sparc32.c +2 -1

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--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -2023,7 +2023,8 @@ do_execve32(char * filename, u32 * argv, u32 * envp, struct pt_regs * regs)
 		security_bprm_free(&bprm);

 out_mm:
-	mmdrop(bprm.mm);
+	if (bprm.mm)
+		mmdrop(bprm.mm);

 out_file:
 	if (bprm.file) {