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util/nvmutil: further tidy up prw()

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-13 05:43:49 +00:00
parent e239a3107f
commit 1dbd679c0c
1 changed files with 5 additions and 2 deletions
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util/nvmutil/nvmutil.c
+5 -2
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@@ -1648,8 +1648,11 @@ prw(int fd, void *mem, size_t nrw,
off_t off_orig; off_t off_orig;
ssize_t r; ssize_t r;
int saved_errno; int saved_errno;
int prw_type;
if ((unsigned int)(rw_type ^ IO_PREAD) > IO_WRITE) { prw_type = rw_type ^ IO_PREAD;
if (prw_type > IO_WRITE) {
errno = EIO; errno = EIO;
return -1; return -1;
} }
@@ -1660,7 +1663,7 @@ prw(int fd, void *mem, size_t nrw,
return -1; return -1;
do { do {
r = do_rw(fd, mem, nrw, off, rw_type ^ IO_PREAD); r = do_rw(fd, mem, nrw, off, prw_type);
} while (r < 0 && errno == EINTR); } while (r < 0 && errno == EINTR);
saved_errno = errno; saved_errno = errno;