Commit f41aa47c authored by Dominik Brodowski's avatar Dominik Brodowski Committed by Herbert Xu
Browse files

hwrng: core - only set cur_rng_set_by_user if it is working 



In case the user-specified rng device is not working, it is not used;
therefore cur_rng_set_by_user must not be set to 1.

Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c05ac449

drivers/char/hw_random/core.c

+2 −1
Original line number Diff line number Diff line
@@ -335,8 +335,9 @@ static ssize_t rng_current_store(struct device *dev, 
	} else {

		list_for_each_entry(rng, &rng_list, list) {

			if (sysfs_streq(rng->name, buf)) {

				cur_rng_set_by_user = 1;

				err = set_current_rng(rng);

				if (!err)

					cur_rng_set_by_user = 1;

				break;

			}

		}