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| author | Kevin O'Connor <kevin@koconnor.net> | 2009-04-26 21:27:15 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2009-04-26 21:27:15 -0400 |
| commit | 214f6c2d4cedc84227b7ea453712ab9ddb373d0c (patch) | |
| tree | 5ee4a9e21285354d1544cfe8e6f50133bf0b4301 /src/coreboot.c | |
| parent | 1bedcc092a4b3b98f690e7784c89bd2baf8c5918 (diff) | |
| download | seabios-214f6c2d4cedc84227b7ea453712ab9ddb373d0c.tar.gz | |
Exit CBFS file search early if zero signature found.
This stops the scan from walking all of flash.
Diffstat (limited to 'src/coreboot.c')
| -rw-r--r-- | src/coreboot.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/coreboot.c b/src/coreboot.c index cdb13ba5..17c95312 100644 --- a/src/coreboot.c +++ b/src/coreboot.c @@ -331,8 +331,11 @@ cbfs_search(struct cbfs_file *file) for (;;) { if (file < (struct cbfs_file *)(0xFFFFFFFF - ntohl(CBHDR->romsize))) return NULL; - if (file->magic == CBFS_FILE_MAGIC) + u64 magic = file->magic; + if (magic == CBFS_FILE_MAGIC) return file; + if (magic == 0) + return NULL; file = (void*)file + ntohl(CBHDR->align); } } |