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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-30 13:18:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-30 13:18:33 -0700 |
| commit | d761f3ed6e71bcca724a6e9e39efcac65b7b4ac1 (patch) | |
| tree | f7730c261782da30e402e396a1c87e15dbf68c3c /lib | |
| parent | b325e04ea21081439f0f3e7fe1117e883a9031d8 (diff) | |
| parent | 4a1a8e1b8f9f37bdbba416eb0a5ff3f47d31cb28 (diff) | |
| download | lwn-d761f3ed6e71bcca724a6e9e39efcac65b7b4ac1.tar.gz lwn-d761f3ed6e71bcca724a6e9e39efcac65b7b4ac1.zip | |
Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode updates from Thomas Gleixner:
- more work to make the microcode loader robust
- a fix for the micro code load precedence
- fixes for initrd loading with randomized memory
- less printk noise on SMP machines
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm, x86/microcode: Add __PAGE_OFFSET_BASE define on 32-bit
x86/microcode/intel: Fix initrd loading with CONFIG_RANDOMIZE_MEMORY=y
x86/microcode: Remove unused symbol exports
x86/microcode/intel: Do not issue microcode updates messages on each CPU
Documentation/microcode: Document some aspects for more clarity
x86/microcode/AMD: Make amd_ucode_patch[] static
x86/microcode/intel: Unexport save_mc_for_early()
x86/microcode/intel: Rename load_microcode_early() to find_microcode_patch()
x86/microcode: Propagate save_microcode_in_initrd() retval
x86/microcode: Get rid of find_cpio_data()'s dummy offset arg
lib/cpio: Make find_cpio_data()'s offset arg optional
x86/microcode: Fix suspend to RAM with builtin microcode
x86/microcode: Fix loading precedence
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/earlycpio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/earlycpio.c b/lib/earlycpio.c index 3eb3e4722b8e..db283ba4d2c1 100644 --- a/lib/earlycpio.c +++ b/lib/earlycpio.c @@ -125,7 +125,10 @@ struct cpio_data find_cpio_data(const char *path, void *data, if ((ch[C_MODE] & 0170000) == 0100000 && ch[C_NAMESIZE] >= mypathsize && !memcmp(p, path, mypathsize)) { - *nextoff = (long)nptr - (long)data; + + if (nextoff) + *nextoff = (long)nptr - (long)data; + if (ch[C_NAMESIZE] - mypathsize >= MAX_CPIO_FILE_NAME) { pr_warn( "File %s exceeding MAX_CPIO_FILE_NAME [%d]\n", |