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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-02-14 19:31:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-14 20:58:05 -0800 |
| commit | e2a366dc5cead7b8bf7911a1de52f16748f6fcb3 (patch) | |
| tree | 96b9653089d9e3c634f4cb098dabc54b5e8b9801 /fs/binfmt_flat.c | |
| parent | 2cd9cdce1842ccf307e178a835d833c3306e329d (diff) | |
| download | lwn-e2a366dc5cead7b8bf7911a1de52f16748f6fcb3.tar.gz lwn-e2a366dc5cead7b8bf7911a1de52f16748f6fcb3.zip | |
FLAT binaries: drop BINFMT_FLAT bad header magic warning
The warning issued by fs/binfmt_flat.c when the format handler is given a
non-FLAT and non-script executable is annoying to say the least when working
with FDPIC ELF objects. If you build a kernel that supports both FLAT and
FDPIC ELFs on no-mmu, every time you execute an FDPIC ELF, the kernel spits
out this message. While I understand a lot of newcomers to the no-mmu world
screw up generation of FLAT binaries, this warning is not usable for systems
that support more than just FLAT.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Bernd Schmidt <bernds_cb1@t-online.de>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/binfmt_flat.c')
| -rw-r--r-- | fs/binfmt_flat.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index d8a02f1e08cc..0498b181dd52 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -443,12 +443,12 @@ static int load_flat_file(struct linux_binprm * bprm, if (strncmp(hdr->magic, "bFLT", 4)) { /* + * Previously, here was a printk to tell people + * "BINFMT_FLAT: bad header magic". + * But for the kernel which also use ELF FD-PIC format, this + * error message is confusing. * because a lot of people do not manage to produce good - * flat binaries, we leave this printk to help them realise - * the problem. We only print the error if its not a script file */ - if (strncmp(hdr->magic, "#!", 2)) - printk("BINFMT_FLAT: bad header magic\n"); ret = -ENOEXEC; goto err; } |