Commit-ID: 6670e9cdaf554290e26121aa72f0118f2fac52e5 Gitweb: http://git.kernel.org/tip/6670e9cdaf554290e26121aa72f0118f2fac52e5 Author: Daniel J Blueman <daniel.blueman@xxxxxxxxx> AuthorDate: Wed, 23 Feb 2011 09:33:59 +0800 Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> CommitDate: Tue, 1 Mar 2011 16:32:03 -0800 x86, build: Make sure mkpiggy fails on read error Ensure build doesn't silently continue despite read failure, addressing a warning due to the unchecked call. Signed-off-by: Daniel J Blueman <daniel.blueman@xxxxxxxxx> LKML-Reference: <AANLkTimxxTMU3=4ry-_zbY6v1xiDi+hW9y1RegTr8vLK@xxxxxxxxxxxxxx> Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> --- arch/x86/boot/compressed/mkpiggy.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c index 646aa78..46a8238 100644 --- a/arch/x86/boot/compressed/mkpiggy.c +++ b/arch/x86/boot/compressed/mkpiggy.c @@ -62,7 +62,12 @@ int main(int argc, char *argv[]) if (fseek(f, -4L, SEEK_END)) { perror(argv[1]); } - fread(&olen, sizeof olen, 1, f); + + if (fread(&olen, sizeof(olen), 1, f) != 1) { + perror(argv[1]); + return 1; + } + ilen = ftell(f); olen = getle32(&olen); fclose(f); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html