Merge tag 'v4.1.43' into 4.1-2.0.x-imx

Linux 4.1.43

* tag 'v4.1.43': (182 commits)
  Linux 4.1.43
  HID: core: prevent out-of-bound readings
  ipvs: SNAT packet replies only for NATed connections
  Revert "dmaengine: ep93xx: Don't drain the transfers in terminate_all()"
  staging: comedi: ni_mio_common: fix E series ni_ai_insn_read() data
  kvm: vmx: Do not disable intercepts for BNDCFGS
  tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results
  PM / QoS: return -EINVAL for bogus strings
  sched/topology: Optimize build_group_mask()
  sched/topology: Fix overlapping sched_group_mask
  crypto: caam - fix signals handling
  crypto: atmel - only treat EBUSY as transient if backlog
  crypto: talitos - Extend max key length for SHA384/512-HMAC and AEAD
  Add "shutdown" to "struct class".
  mnt: Make propagate_umount less slow for overlapping mount propagation trees
  mnt: In propgate_umount handle visiting mounts in any order
  mnt: In umount propagation reparent in a separate pass
  vt: fix unchecked __put_user() in tioclinux ioctls
  exec: Limit arg stack to at most 75% of _STK_LIM
  s390: reduce ELF_ET_DYN_BASE
  ...

2 files changed, 31 insertions, 18 deletions

diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index 5abab8800891..9190057535e6 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -66,11 +66,13 @@ static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master,
 {
 	uint32_t buf;
 	size_t bytes_read;
+	int err;
 
-	if (mtd_read(master, offset, sizeof(buf), &bytes_read,
-		     (uint8_t *)&buf) < 0) {
-		pr_err("mtd_read error while parsing (offset: 0x%X)!\n",
-			offset);
+	err  = mtd_read(master, offset, sizeof(buf), &bytes_read,
+			(uint8_t *)&buf);
+	if (err && !mtd_is_bitflip(err)) {
+		pr_err("mtd_read error while parsing (offset: 0x%X): %d\n",
+			offset, err);
 		goto out_default;
 	}
 
@@ -95,6 +97,7 @@ static int bcm47xxpart_parse(struct mtd_info *master,
 	int trx_part = -1;
 	int last_trx_part = -1;
 	int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
+	int err;
 
 	/*
 	 * Some really old flashes (like AT45DB*) had smaller erasesize-s, but
@@ -118,8 +121,8 @@ static int bcm47xxpart_parse(struct mtd_info *master,
 	/* Parse block by block looking for magics */
 	for (offset = 0; offset <= master->size - blocksize;
 	     offset += blocksize) {
-		/* Nothing more in higher memory */
-		if (offset >= 0x2000000)
+		/* Nothing more in higher memory on BCM47XX (MIPS) */
+		if (config_enabled(CONFIG_BCM47XX) && offset >= 0x2000000)
 			break;
 
 		if (curr_part >= BCM47XXPART_MAX_PARTS) {
@@ -128,10 +131,11 @@ static int bcm47xxpart_parse(struct mtd_info *master,
 		}
 
 		/* Read beginning of the block */
-		if (mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
-			     &bytes_read, (uint8_t *)buf) < 0) {
-			pr_err("mtd_read error while parsing (offset: 0x%X)!\n",
-			       offset);
+		err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
+			       &bytes_read, (uint8_t *)buf);
+		if (err && !mtd_is_bitflip(err)) {
+			pr_err("mtd_read error while parsing (offset: 0x%X): %d\n",
+			       offset, err);
 			continue;
 		}
 
@@ -252,10 +256,11 @@ static int bcm47xxpart_parse(struct mtd_info *master,
 		}
 
 		/* Read middle of the block */
-		if (mtd_read(master, offset + 0x8000, 0x4,
-			     &bytes_read, (uint8_t *)buf) < 0) {
-			pr_err("mtd_read error while parsing (offset: 0x%X)!\n",
-			       offset);
+		err = mtd_read(master, offset + 0x8000, 0x4, &bytes_read,
+			       (uint8_t *)buf);
+		if (err && !mtd_is_bitflip(err)) {
+			pr_err("mtd_read error while parsing (offset: 0x%X): %d\n",
+			       offset, err);
 			continue;
 		}
 
@@ -275,10 +280,11 @@ static int bcm47xxpart_parse(struct mtd_info *master,
 		}
 
 		offset = master->size - possible_nvram_sizes[i];
-		if (mtd_read(master, offset, 0x4, &bytes_read,
-			     (uint8_t *)buf) < 0) {
-			pr_err("mtd_read error while reading at offset 0x%X!\n",
-			       offset);
+		err = mtd_read(master, offset, 0x4, &bytes_read,
+			       (uint8_t *)buf);
+		if (err && !mtd_is_bitflip(err)) {
+			pr_err("mtd_read error while reading (offset 0x%X): %d\n",
+			       offset, err);
 			continue;
 		}
 
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index e8b977c886f6..91d040bd7301 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -916,6 +916,13 @@ static int spansion_quad_enable(struct spi_nor *nor)
 		return -EINVAL;
 	}
 
+	ret = spi_nor_wait_till_ready(nor);
+	if (ret) {
+		dev_err(nor->dev,
+			"timeout while writing configuration register\n");
+		return ret;
+	}
+
 	/* read back and check it */
 	ret = read_cr(nor);
 	if (!(ret > 0 && (ret & CR_QUAD_EN_SPAN))) {