diff options
| author | Al Viro | 2023-01-09 00:14:02 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-03-10 09:33:30 +0100 |
| commit | 9b1f0df649467fbaf03deec4ec52d8d0b9d46df0 (patch) | |
| tree | d5b86394ae52bd90dc18962b013f5dc14c877963 | |
| parent | fe4dd80d58ec5633daf5d50671d1341f738508bf (diff) | |
alpha/boot/tools/objstrip: fix the check for ELF header
[ Upstream commit 1878787797cbb019eeefe6f905514dcd557302b6 ]
Just memcmp() with ELFMAG - that's the normal way to do it in userland
code, which that thing is. Besides, that has the benefit of actually
building - str_has_prefix() is *NOT* present in <string.h>.
Fixes: 5f14596e55de "alpha: Replace strncmp with str_has_prefix"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/alpha/boot/tools/objstrip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c index 08b430d25a31..7cf92d172dce 100644 --- a/arch/alpha/boot/tools/objstrip.c +++ b/arch/alpha/boot/tools/objstrip.c @@ -148,7 +148,7 @@ main (int argc, char *argv[]) #ifdef __ELF__ elf = (struct elfhdr *) buf; - if (elf->e_ident[0] == 0x7f && str_has_prefix((char *)elf->e_ident + 1, "ELF")) { + if (memcmp(&elf->e_ident[EI_MAG0], ELFMAG, SELFMAG) == 0) { if (elf->e_type != ET_EXEC) { fprintf(stderr, "%s: %s is not an ELF executable\n", prog_name, inname); |