diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-18 04:44:36 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-26 06:59:42 +0000 |
| commit | 65ed83d2e763a54676c86768956edfa5bbba137d (patch) | |
| tree | 16edca4e4474668867dd32230edc1e57d1cb2831 /util/nvmutil/nvmutil.c | |
| parent | 232b069492a6af680017a4d30189d6dafb2c286e (diff) | |
util/nvmutil: limit EAGAIN/EINTR retries
set it really high though, so it's still
basically reliably
an EINTR/EAGAIN storm could cause problems
in prw()
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/nvmutil/nvmutil.c')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 5becd165..34b6f38b 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -2261,6 +2261,12 @@ prw(int fd, void *mem, unsigned long nrw, int loop_eagain, int loop_eintr, int off_reset) { +#ifndef MAX_EAGAIN_RETRIES + unsigned long retries = 100000; +#else + unsigned long retries = MAX_EAGAIN_RETRIES; +#endif + long r; int positional_rw; struct stat st; @@ -2388,8 +2394,9 @@ real_pread_pwrite: } } while (r == -1 && - (errno == try_err(loop_eintr, EINTR) - || errno == try_err(loop_eagain, EAGAIN))); + (errno == try_err(loop_eintr, EINTR) || + errno == try_err(loop_eagain, EAGAIN)) && + retries++ < MAX_EAGAIN_RETRIES); } saved_errno = errno; |