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module: demote invalid ELF header magic error message to pr_debug

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This happens anytime busybox modprobe loads a compressed module and
looks especially ugly on postmarketOS for example (or basically any
initramfs); this error is rather pointless since the module is loaded
anyway afterwards.

Upstream (busybox) has no plans to do anything about this error getting
spammed:
https://www.mail-archive.com/busybox@busybox.net/msg27078.html
This commit is contained in:
Jami Kettunen 2021-11-20 22:14:36 +02:00 • committed by Jami Kettunen
parent b7e8630c76
commit 5cdf191d57
1 changed files with 1 additions and 1 deletions
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2
kernel/module/main.c
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@ -1661,7 +1661,7 @@ static int elf_validity_check(struct load_info *info)
} }
if (memcmp(info->hdr->e_ident, ELFMAG, SELFMAG) != 0) { if (memcmp(info->hdr->e_ident, ELFMAG, SELFMAG) != 0) {
pr_err("Invalid ELF header magic: != %s\n", ELFMAG); pr_debug("Invalid ELF header magic: != %s\n", ELFMAG);
goto no_exec; goto no_exec;
} }
if (info->hdr->e_type != ET_REL) { if (info->hdr->e_type != ET_REL) {