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linux/drivers/char/hw_random
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Dominik Brodowski 6ff6304497 hwrng: core - read() callback must be called for size of 32 or more bytes 
According to <linux/hw_random.h>, the @max parameter of the ->read
callback "is a multiple of 4 and >= 32 bytes". That promise was not
kept by add_early_randomness(), which only asked for 16 bytes. As
rng_buffer_size() is at least 32, we can simply ask for 32 bytes.

Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-02-05 15:10:49 +11:00
..
amd-rng.c
hwrng: rename 'mod_init' & 'mod_exit' functions to be module-specific
2021-07-16 15:49:36 +08:00
arm_smccc_trng.c
hwrng: Add Arm SMCCC TRNG based driver
2021-08-06 19:45:26 +08:00
atmel-rng.c
hwrng: atmel - add new platform support for sam9x60
2019-11-15 13:44:17 +08:00
ba431-rng.c
hwrng: ba431 - use devm_platform_ioremap_resource() to simplify
2021-03-19 21:59:46 +11:00
bcm2835-rng.c
hwrng: bcm2835 - add reset support
2021-03-13 00:04:06 +11:00
cavium-rng-vf.c
hwrng: cavium - Check health status while reading random data
2021-11-20 15:02:07 +11:00
cavium-rng.c
hwrng: cavium - Check health status while reading random data
2021-11-20 15:02:07 +11:00
cctrng.c
hwrng: cctrng - delete redundant printing of return value
2021-03-19 21:59:47 +11:00
cctrng.h
hwrng: cctrng - introduce Arm CryptoCell driver
2020-04-16 16:49:20 +10:00
cn10k-rng.c
hwrng: cn10k - Add random number generator support
2021-12-24 14:18:22 +11:00
core.c
hwrng: core - read() callback must be called for size of 32 or more bytes
2022-02-05 15:10:49 +11:00
exynos-trng.c
hwrng: exynos - Use pm_runtime_resume_and_get() to replace open coding
2021-06-03 20:24:04 +08:00
geode-rng.c
hwrng: rename 'mod_init' & 'mod_exit' functions to be module-specific
2021-07-16 15:49:36 +08:00
hisi-rng.c
hwrng: hisi - Fix W=1 unused variable warning
2020-07-09 18:25:12 +10:00
imx-rngc.c
hwrng: imx-rngc - irq already prints an error
2020-11-06 14:31:15 +11:00
ingenic-rng.c
crypto: ingenic - Drop kfree for memory allocated with devm_kzalloc
2020-08-21 14:43:51 +10:00
ingenic-trng.c
hwrng: ingenic - Fix a resource leak in an error handling path
2021-01-03 08:41:37 +11:00
intel-rng.c
hwrng: rename 'mod_init' & 'mod_exit' functions to be module-specific
2021-07-16 15:49:36 +08:00
iproc-rng200.c
hwrng: iproc-rng200 - Move enable/disable in separate function
2021-01-03 08:41:37 +11:00
ixp4xx-rng.c
hwrng: ixp4xx - Make use of the helper function devm_platform_ioremap_resource()
2021-09-17 11:06:14 +08:00
Kconfig
hwrng: cavium - HW_RANDOM_CAVIUM should depend on ARCH_THUNDER
2022-01-31 11:21:37 +11:00
ks-sa-rng.c
hwrng: ks-sa - Use pm_runtime_resume_and_get() to replace open coding
2021-06-03 20:24:04 +08:00
Makefile
- added support for more BCM47XX based devices
2022-01-14 15:08:36 +01:00
meson-rng.c
hwrng: meson - Improve error handling for core clock
2021-10-01 14:41:23 +08:00
mtk-rng.c
hwrng: mtk - Force runtime pm ops for sleep ops
2021-10-08 20:02:47 +08:00
mxc-rnga.c
hwrng: mxc-rnga - use semicolons rather than commas to separate statements
2020-10-02 18:02:15 +10:00
n2-asm.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
n2-drv.c
hwrng: n2-drv - fix typo
2019-08-08 12:07:49 +10:00
n2rng.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nomadik-rng.c
amba: Make the remove callback return void
2021-02-02 14:25:50 +01:00
npcm-rng.c
hwrng: npcm - modify readl to readb
2020-10-02 18:02:13 +10:00
octeon-rng.c
hwrng: octeon - Fix sparse warnings
2020-07-09 18:25:14 +10:00
omap3-rom-rng.c
change email address for Pali Rohár
2020-04-10 15:36:22 -07:00
omap-rng.c
hwrng: omap - Use pm_runtime_resume_and_get() to replace open coding
2021-06-03 20:24:04 +08:00
optee-rng.c
hwrng: optee - Use device-managed registration API
2021-02-10 17:55:58 +11:00
pasemi-rng.c
hwrng: pasemi - use devm_platform_ioremap_resource() to simplify code
2019-10-26 02:09:56 +11:00
pic32-rng.c
hwrng: pic32 - Use device-managed registration API
2021-03-13 00:04:00 +11:00
powernv-rng.c
hwrng: drivers - Use device-managed registration API
2019-08-02 14:44:33 +10:00
pseries-rng.c
char: hw_random: pseries-rng: Demote non-conformant kernel-doc header
2021-05-21 10:09:30 +02:00
s390-trng.c
hwrng: s390 - replace snprintf in show functions with sysfs_emit
2021-10-22 20:24:12 +08:00
st-rng.c
hwrng: st - Fix W=1 unused variable warning
2020-07-09 18:25:12 +10:00
stm32-rng.c
hwrng: stm32 - use semicolons rather than commas to separate statements
2020-10-02 18:02:14 +10:00
timeriomem-rng.c
hwrng: timeriomem - Use device-managed registration API
2021-02-10 17:56:01 +11:00
via-rng.c
hwrng: rename 'mod_init' & 'mod_exit' functions to be module-specific
2021-07-16 15:49:36 +08:00
virtio-rng.c
hwrng: virtio - unregister device before reset
2022-01-14 18:50:52 -05:00
xgene-rng.c
hwrng: xgene - Delete an error message in xgene_rng_probe()
2020-04-16 16:49:22 +10:00
xiphera-trng.c
hwrng: xiphera-trng - use devm_platform_ioremap_resource() to simplify
2021-03-07 15:13:14 +11:00