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nvmutil: further simplify nr/nw error handling

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-02-23 11:01:52 +00:00
parent 35d8d0993f
commit 3d408317b1
1 changed files with 7 additions and 17 deletions
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util/nvmutil/nvmutil.c
+7 -17
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@@ -214,16 +214,10 @@ readGbe(void)
for (int p = 0; p < 2; p++) { for (int p = 0; p < 2; p++) {
if (!do_read[p]) if (!do_read[p])
continue; continue;
if (pread(fd, (uint8_t *) gbe[p], nf, p * partsize) != nf)
ssize_t nr = pread(fd, (uint8_t *) gbe[p], nf, p * partsize); err(ERR(), "Couldn't read %ld bytes from '%s' part %d",
if (nr == nf) { nf, filename, p);
swap(p); /* handle big-endian host CPU */ swap(p); /* handle big-endian host CPU */
continue;
}
err(ERR(),
"%ld bytes read from '%s' part %d, expected %ld bytes\n",
nr, filename, p, nf);
} }
} }
@@ -423,13 +417,9 @@ writeGbe(void)
continue; continue;
swap(p); /* swap bytes on big-endian host CPUs */ swap(p); /* swap bytes on big-endian host CPUs */
ssize_t nw = pwrite(fd, (uint8_t *) gbe[p], nf, p * partsize); if(pwrite(fd, (uint8_t *) gbe[p], nf, p * partsize) != nf)
if (nw == nf) err(ERR(), "Couldn't write %ld bytes to '%s' part '%d'",
continue; nf, filename, p);
err(ERR(),
"%ld bytes written to '%s' part %d, expected %ld bytes\n",
nw, filename, p, nf);
} }
err_if(close(fd) == -1); err_if(close(fd) == -1);