x86: relocs ELF handling - use SELFMAG instead of numeric constant

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: akpm@linux-foundation.org
Cc: hpa@zytor.com
Cc: mingo@elte.hu
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index d01ea42187e6aa8ddcd1218f229e74e6dda13148..edaadea90aafcf9876256bcac9db5d68823874ea 100644 (file)
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -191,7 +191,7 @@ static void read_ehdr(FILE *fp)
                die("Cannot read ELF header: %s\n",
                        strerror(errno));
        }
-       if (memcmp(ehdr.e_ident, ELFMAG, 4) != 0) {
+       if (memcmp(ehdr.e_ident, ELFMAG, SELFMAG) != 0) {
                die("No ELF magic\n");
        }
        if (ehdr.e_ident[EI_CLASS] != ELFCLASS32) {