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authorJason A. Donenfeld <Jason@zx2c4.com>2022-10-10 04:44:02 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2022-11-18 02:15:15 +0100
commit8032bf1233a74627ce69b803608e650f3f35971c (patch)
tree1e15cd719358130192c59b8d5a61a0c3c9fbe82c /drivers/media/test-drivers/vivid
parentrandom: add helpers for random numbers with given floor or range (diff)
downloadlinux-8032bf1233a74627ce69b803608e650f3f35971c.tar.xz
linux-8032bf1233a74627ce69b803608e650f3f35971c.zip
treewide: use get_random_u32_below() instead of deprecated function
This is a simple mechanical transformation done by: @@ expression E; @@ - prandom_u32_max + get_random_u32_below (E) Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs Reviewed-by: SeongJae Park <sj@kernel.org> # for damon Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'drivers/media/test-drivers/vivid')
-rw-r--r--drivers/media/test-drivers/vivid/vivid-kthread-cap.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-kthread-out.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-radio-rx.c4
-rw-r--r--drivers/media/test-drivers/vivid/vivid-sdr-cap.c2
-rw-r--r--drivers/media/test-drivers/vivid/vivid-touch-cap.c2
5 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/test-drivers/vivid/vivid-kthread-cap.c b/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
index 690daada7db4..ee65d20314d3 100644
--- a/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-kthread-cap.c
@@ -693,7 +693,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev,
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
goto update_mv;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-kthread-out.c b/drivers/media/test-drivers/vivid/vivid-kthread-out.c
index 0833e021bb11..fac6208b51da 100644
--- a/drivers/media/test-drivers/vivid/vivid-kthread-out.c
+++ b/drivers/media/test-drivers/vivid/vivid-kthread-out.c
@@ -51,7 +51,7 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
return;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-radio-rx.c b/drivers/media/test-drivers/vivid/vivid-radio-rx.c
index 8bd09589fb15..79c1723bd84c 100644
--- a/drivers/media/test-drivers/vivid/vivid-radio-rx.c
+++ b/drivers/media/test-drivers/vivid/vivid-radio-rx.c
@@ -94,8 +94,8 @@ retry:
if (data_blk == 0 && dev->radio_rds_loop)
vivid_radio_rds_init(dev);
- if (perc && prandom_u32_max(100) < perc) {
- switch (prandom_u32_max(4)) {
+ if (perc && get_random_u32_below(100) < perc) {
+ switch (get_random_u32_below(4)) {
case 0:
rds.block |= V4L2_RDS_BLOCK_CORRECTED;
break;
diff --git a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
index 0ae5628b86c9..a81f26b76988 100644
--- a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
@@ -90,7 +90,7 @@ static void vivid_thread_sdr_cap_tick(struct vivid_dev *dev)
/* Drop a certain percentage of buffers. */
if (dev->perc_dropped_buffers &&
- prandom_u32_max(100) < dev->perc_dropped_buffers)
+ get_random_u32_below(100) < dev->perc_dropped_buffers)
return;
spin_lock(&dev->slock);
diff --git a/drivers/media/test-drivers/vivid/vivid-touch-cap.c b/drivers/media/test-drivers/vivid/vivid-touch-cap.c
index 6cc32eb54f9d..c7f6e23df51e 100644
--- a/drivers/media/test-drivers/vivid/vivid-touch-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-touch-cap.c
@@ -221,7 +221,7 @@ static void vivid_fill_buff_noise(__s16 *tch_buf, int size)
static inline int get_random_pressure(void)
{
- return prandom_u32_max(VIVID_PRESSURE_LIMIT);
+ return get_random_u32_below(VIVID_PRESSURE_LIMIT);
}
static void vivid_tch_buf_set(struct v4l2_pix_format *f,