diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-06 18:55:31 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-06 18:55:31 +0000 |
| commit | 0698c6ada44a8b4896d6ef12e0028b38cf9f8bbf (patch) | |
| tree | a00e5263e9e02318b567c967763a7f08e04d496c | |
| parent | 397fc78e58892c7d193809a3d75440492a8051be (diff) | |
util/nvmutil: warn about partial gbe file writes
Signed-off-by: Leah Rowe <leah@libreboot.org>
| -rw-r--r-- | util/nvmutil/nvmutil.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 1a235e01..7cad5055 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -759,11 +759,16 @@ write_gbe(void) static void write_gbe_part(size_t p) { - if (pwrite(fd, gbe_mem_offset(p, "pwrite"), - GBE_PART_SIZE, gbe_file_offset(p, "pwrite")) != GBE_PART_SIZE) { - err(ECANCELED, - "Can't write %d b to '%s' p%d", GBE_PART_SIZE, fname, p); - } + ssize_t rval = pwrite(fd, gbe_mem_offset(p, "pwrite"), + GBE_PART_SIZE, gbe_file_offset(p, "pwrite")); + + if (rval == -1) + err(ECANCELED, "Can't write %zx b to '%s' p%zx", + GBE_PART_SIZE, fname, p); + + if (rval != GBE_PART_SIZE) + err(ECANCELED, "CORRUPTED WRITE (%zx b) to file '%s' p%zx", + rval, fname, p); } /* |