From 906071083306722e43cd5d3c0bdf2fc2ad3b69c8 Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Mon, 27 Jan 2025 04:57:32 +0000 Subject: util/nvmutil: err if bytes read lower than nf same as the last change. just covering edge cases. we will likely never trigger this error. Signed-off-by: Leah Rowe --- util/nvmutil/nvmutil.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'util/nvmutil/nvmutil.c') diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 15090a5a..13fce715 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -225,7 +225,13 @@ readGbe(void) if (!do_read[p]) continue; /* avoid unnecessary reads */ - err_if(pread(fd, (uint8_t *) gbe[p], nf, p * partsize) == -1); + ssize_t nr = pread(fd, (uint8_t *) gbe[p], nf, p * partsize); + err_if(nr == -1); + if (nr != nf) + err(errno == ECANCELED, + "%ld bytes written on '%s', expected %ld bytes\n", + nr, filename, nf); + swap(p); /* handle big-endian host CPU */ } } -- cgit v1.2.1