From 75bcc46de43b903f043ad8bdf94ee3c7108a546a Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Tue, 3 Mar 2026 22:59:38 +0000 Subject: util/nvmutil: comment valid_read for clarity Signed-off-by: Leah Rowe --- util/nvmutil/nvmutil.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'util/nvmutil/nvmutil.c') diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 59274f07..0ccf6ff0 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -383,7 +383,8 @@ static int valid_read(const char *rpath, ssize_t rval, size_t rsize, int retry) { if (rval == (ssize_t) rsize) - return 1; + return 1; /* Successful read */ + if (rval != -1) err(ECANCELED, "Short read, %zd: %s", rval, rpath); if (errno != EINTR) @@ -391,6 +392,10 @@ valid_read(const char *rpath, ssize_t rval, size_t rsize, int retry) if (retry == MAX_RETRY_READ - 1) err(EINTR, "read: max retries exceeded: %s", rpath); + /* + * Bad read, with errno EINTR (syscall interrupted). + * Reset the error state and try again. + */ errno = 0; return 0; } -- cgit v1.2.1