util/nvmutil: stricter errno on prw()

we want the first error to be the one shown,
when returning negative

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index aecd2067..65da82e4 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -1384,7 +1384,6 @@ prw(int fd, void *mem, size_t count,
 {
 	off_t old;
 	ssize_t r;
-	int restore_errno;
 	int saved_errno = 0;
 
 	if ((old = lseek_eintr(fd, (off_t)0, SEEK_CUR)) == (off_t)-1)
@@ -1405,13 +1404,9 @@ prw(int fd, void *mem, size_t count,
 	if (r < 0)
 		saved_errno = errno;
 
-	restore_errno = errno;
-
 	if (lseek_eintr(fd, old, SEEK_SET) == (off_t)-1) {
 		if (saved_errno)
 			errno = saved_errno;
-		else
-			errno = restore_errno;
 		return -1;
 	}