linux_dsm_epyc7002/drivers/char
Jorge Ramirez-Ortiz c0f6eebedd hwrng: optee - fix wait use case
The current code waits for data to be available before attempting a
second read. However the second read would not be executed as the
while loop will exit.

This fix does not wait if all data has been read (skips the call to
msleep(0)) and reads a second time if partial data was retrieved on
the first read.

Worth noticing that since msleep(0) schedules a one jiffy timeout is
better to skip such a call.

Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-08-21 14:45:28 +10:00
..
agp Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
hw_random hwrng: optee - fix wait use case 2020-08-21 14:45:28 +10:00
ipmi ipmi/watchdog: add missing newlines when printing parameters by sysfs 2020-07-21 06:29:15 -05:00
mwave char/mwave: remove redundant initialization of variable bRC 2020-07-10 14:50:51 +02:00
pcmcia cm4000_cs.c cmm_ioctl(): get rid of pointless access_ok() 2020-05-29 11:04:56 -04:00
tpm ARM: SoC driver updates for v5.9 2020-08-03 19:30:59 -07:00
xilinx_hwicap treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
xillybus char: xillybus: use devm_platform_ioremap_resource() to simplify code 2019-11-05 18:29:21 +01:00
adi.c char: sparc64: Add privileged ADI driver 2018-06-05 11:24:55 -07:00
apm-emulation.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
applicom.c misc: cleanup minor number definitions in c file into miscdevice.h 2020-03-18 12:27:03 +01:00
applicom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bsr.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
ds1620.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dsp56k.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dtlk.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
hangcheck-timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
hpet.c char: hpet: Fix out-of-bounds read bug 2020-01-30 06:58:33 +01:00
Kconfig char: Replace HTTP links with HTTPS ones 2020-07-23 09:44:15 +02:00
lp.c lp: fix sparc64 LPSETTIMEOUT ioctl 2019-11-13 19:08:22 +08:00
Makefile rtc/alpha: remove legacy rtc driver 2020-03-19 07:41:02 +01:00
mem.c /dev/mem: Add missing memory barriers for devmem_inode 2020-07-23 09:47:13 +02:00
misc.c char: misc: Move EXPORT_SYMBOL immediately next to the functions/varibles 2019-05-24 18:00:41 +02:00
mspec.c mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
nsc_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nvram.c nvram: drop useless access_ok() 2020-05-29 11:03:30 -04:00
nwbutton.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nwbutton.h misc: cleanup minor number definitions in c file into miscdevice.h 2020-03-18 12:27:03 +01:00
nwflash.c misc: move FLASH_MINOR into miscdevice.h and fix conflicts 2020-03-18 12:27:04 +01:00
pc8736x_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
powernv-op-panel.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ppdev.c ppdev: Distribute switch variables for initialization 2020-02-23 20:28:12 +01:00
ps3flash.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 164 2019-05-30 11:26:38 -07:00
random.c random32: update the net random state on interrupt and activity 2020-07-29 10:35:37 -07:00
raw.c char: raw: do not leak CONFIG_MAX_RAW_DEVS to userspace 2020-07-10 14:50:51 +02:00
scx200_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sonypi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
tb0219.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
tlclk.c drivers: char: tlclk.c: Avoid data race between init and interrupt handler 2020-04-23 16:55:24 +02:00
toshiba.c misc: cleanup minor number definitions in c file into miscdevice.h 2020-03-18 12:27:03 +01:00
ttyprintk.c ttyprintk: remove redundant initialization of variable ret 2020-07-10 14:50:51 +02:00
uv_mmtimer.c
virtio_console.c Merge v5.8-rc6 into char-misc-next 2020-07-20 09:43:40 +02:00