coja/lbmk
1
0
Fork 0
mirror of https://codeberg.org/libreboot/lbmk.git synced 2026-07-17 18:34:57 +02:00
Code Issues Packages Projects Releases Wiki Activity

util/nvmutil: tidy up open_dev_urandom

Browse Source 
Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-07 10:07:05 +00:00
parent 6a505c9162
commit c195e8cc2b
1 changed files with 15 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
util/nvmutil/nvmutil.c
+15 -12
View File
@@ -357,21 +357,24 @@ open_dev_urandom(void)
{ {
struct stat st_urandom_fd; struct stat st_urandom_fd;
/*
* Try /dev/urandom first
*/
rname = newrandom; rname = newrandom;
if ((urandom_fd = open(rname, O_RDONLY)) != -1)
return;
if ((urandom_fd = open(rname, O_RDONLY)) == -1) { /*
/* * Fall back to /dev/random on old platforms
* Fall back to /dev/random on old platforms * where /dev/urandom does not exist.
* where /dev/urandom does not exist. *
* * We must reset the error condition first,
* We must reset the error condition first, * to prevent stale error status later.
* to prevent stale error status later. */
*/ errno = 0;
errno = 0;
rname = oldrandom; rname = oldrandom;
xopen(&urandom_fd, rname, O_RDONLY, &st_urandom_fd); xopen(&urandom_fd, rname, O_RDONLY, &st_urandom_fd);
}
} }
#endif #endif