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authorMike Frysinger <vapier.adi@gmail.com>2008-02-14 19:31:29 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-14 20:58:05 -0800
commite2a366dc5cead7b8bf7911a1de52f16748f6fcb3 (patch)
tree96b9653089d9e3c634f4cb098dabc54b5e8b9801 /fs/binfmt_flat.c
parent2cd9cdce1842ccf307e178a835d833c3306e329d (diff)
downloadlinux-e2a366dc5cead7b8bf7911a1de52f16748f6fcb3.tar.bz2
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.c8
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;
}