kexec: fix zeroing of higher bits of flags parameter in kexec_load

* kexec.c (SYS_FUNC(kexec_load)): Perform type conversion before
negation in order to properly negate higher bits of KEXEC_ARCH_MASK.

diff --git a/kexec.c b/kexec.c
index 9ced0157f3dc08cbe227881be9cef69878220eb7..d27bfe1c24a310e9978fe9505dc3d68a05e30df5 100644 (file)
--- a/kexec.c
+++ b/kexec.c
@@ -91,7 +91,7 @@ SYS_FUNC(kexec_load)
        /* flags */
        unsigned long n = tcp->u_arg[3];
        printxval_long(kexec_arch_values, n & KEXEC_ARCH_MASK, "KEXEC_ARCH_???");
-       n &= ~KEXEC_ARCH_MASK;
+       n &= ~(unsigned long) KEXEC_ARCH_MASK;
        if (n) {
                tprints("|");
                printflags_long(kexec_load_flags, n, "KEXEC_???");