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-rw-r--r--drivers/crypto/qcom-rng.c17
-rw-r--r--drivers/firmware/efi/apple-properties.c2
-rw-r--r--drivers/firmware/efi/efi.c2
-rw-r--r--drivers/gpio/gpiolib.c10
-rw-r--r--drivers/vhost/vhost.c4
-rw-r--r--fs/ocfs2/super.c22
-rw-r--r--kernel/configs/debug.config1
-rw-r--r--mm/swap_state.c2
-rw-r--r--tools/testing/selftests/vm/Makefile6
9 files changed, 40 insertions, 26 deletions
diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c
index 99ba8d51d102..11f30fd48c14 100644
--- a/drivers/crypto/qcom-rng.c
+++ b/drivers/crypto/qcom-rng.c
@@ -8,6 +8,7 @@
#include <linux/clk.h>
#include <linux/crypto.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
@@ -43,16 +44,19 @@ static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max)
{
unsigned int currsize = 0;
u32 val;
+ int ret;
/* read random data from hardware */
do {
- val = readl_relaxed(rng->base + PRNG_STATUS);
- if (!(val & PRNG_STATUS_DATA_AVAIL))
- break;
+ ret = readl_poll_timeout(rng->base + PRNG_STATUS, val,
+ val & PRNG_STATUS_DATA_AVAIL,
+ 200, 10000);
+ if (ret)
+ return ret;
val = readl_relaxed(rng->base + PRNG_DATA_OUT);
if (!val)
- break;
+ return -EINVAL;
if ((max - currsize) >= WORD_SZ) {
memcpy(data, &val, WORD_SZ);
@@ -61,11 +65,10 @@ static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max)
} else {
/* copy only remaining bytes */
memcpy(data, &val, max - currsize);
- break;
}
} while (currsize < max);
- return currsize;
+ return 0;
}
static int qcom_rng_generate(struct crypto_rng *tfm,
@@ -87,7 +90,7 @@ static int qcom_rng_generate(struct crypto_rng *tfm,
mutex_unlock(&rng->lock);
clk_disable_unprepare(rng->clk);
- return 0;
+ return ret;
}
static int qcom_rng_seed(struct crypto_rng *tfm, const u8 *seed,
diff --git a/drivers/firmware/efi/apple-properties.c b/drivers/firmware/efi/apple-properties.c
index 4c3201e290e2..ea84108035eb 100644
--- a/drivers/firmware/efi/apple-properties.c
+++ b/drivers/firmware/efi/apple-properties.c
@@ -24,7 +24,7 @@ static bool dump_properties __initdata;
static int __init dump_properties_enable(char *arg)
{
dump_properties = true;
- return 0;
+ return 1;
}
__setup("dump_apple_properties", dump_properties_enable);
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 7de3f5b6e8d0..5502e176d51b 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -212,7 +212,7 @@ static int __init efivar_ssdt_setup(char *str)
memcpy(efivar_ssdt, str, strlen(str));
else
pr_warn("efivar_ssdt: name too long: %s\n", str);
- return 0;
+ return 1;
}
__setup("efivar_ssdt=", efivar_ssdt_setup);
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index defb7c464b87..6630d92e30ad 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1701,6 +1701,11 @@ static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc)
*/
int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset)
{
+#ifdef CONFIG_PINCTRL
+ if (list_empty(&gc->gpiodev->pin_ranges))
+ return 0;
+#endif
+
return pinctrl_gpio_request(gc->gpiodev->base + offset);
}
EXPORT_SYMBOL_GPL(gpiochip_generic_request);
@@ -1712,6 +1717,11 @@ EXPORT_SYMBOL_GPL(gpiochip_generic_request);
*/
void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset)
{
+#ifdef CONFIG_PINCTRL
+ if (list_empty(&gc->gpiodev->pin_ranges))
+ return;
+#endif
+
pinctrl_gpio_free(gc->gpiodev->base + offset);
}
EXPORT_SYMBOL_GPL(gpiochip_generic_free);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 082380c03a3e..1768362115c6 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1170,7 +1170,9 @@ ssize_t vhost_chr_write_iter(struct vhost_dev *dev,
goto done;
}
- if (msg.size == 0) {
+ if ((msg.type == VHOST_IOTLB_UPDATE ||
+ msg.type == VHOST_IOTLB_INVALIDATE) &&
+ msg.size == 0) {
ret = -EINVAL;
goto done;
}
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 2772dec9dcea..8bde30fa5387 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1105,17 +1105,6 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
goto read_super_error;
}
- root = d_make_root(inode);
- if (!root) {
- status = -ENOMEM;
- mlog_errno(status);
- goto read_super_error;
- }
-
- sb->s_root = root;
-
- ocfs2_complete_mount_recovery(osb);
-
osb->osb_dev_kset = kset_create_and_add(sb->s_id, NULL,
&ocfs2_kset->kobj);
if (!osb->osb_dev_kset) {
@@ -1133,6 +1122,17 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
goto read_super_error;
}
+ root = d_make_root(inode);
+ if (!root) {
+ status = -ENOMEM;
+ mlog_errno(status);
+ goto read_super_error;
+ }
+
+ sb->s_root = root;
+
+ ocfs2_complete_mount_recovery(osb);
+
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
diff --git a/kernel/configs/debug.config b/kernel/configs/debug.config
index 07df6d93c4df..e8db8d938661 100644
--- a/kernel/configs/debug.config
+++ b/kernel/configs/debug.config
@@ -16,6 +16,7 @@ CONFIG_SYMBOLIC_ERRNAME=y
#
# Compile-time checks and compiler options
#
+CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_FRAME_WARN=2048
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 8d4104242100..ee67164531c0 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -478,7 +478,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
* __read_swap_cache_async(), which has set SWAP_HAS_CACHE
* in swap_map, but not yet added its page to swap cache.
*/
- cond_resched();
+ schedule_timeout_uninterruptible(1);
}
/*
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 1607322a112c..a14b5b800897 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,6 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for vm selftests
+LOCAL_HDRS += $(selfdir)/vm/local_config.h $(top_srcdir)/mm/gup_test.h
+
include local_config.mk
uname_M := $(shell uname -m 2>/dev/null || echo not)
@@ -140,10 +142,6 @@ endif
$(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
-$(OUTPUT)/gup_test: ../../../../mm/gup_test.h
-
-$(OUTPUT)/hmm-tests: local_config.h
-
# HMM_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
$(OUTPUT)/hmm-tests: LDLIBS += $(HMM_EXTRA_LIBS)