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Groups > linux.kernel > #1733822

[PATCH 4.13 14/52] thunderbolt: Remove superfluous check

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4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bernat, Yehezkel <yehezkel.bernat@intel.com>

commit 8fdd6ab36197ad891233572c57781b1f537da0ac upstream.

The key size is tested by hex2bin() already (as '\0' isn't an hex digit)

Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/thunderbolt/switch.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -808,9 +808,6 @@ static ssize_t key_store(struct device *
 	u8 key[TB_SWITCH_KEY_SIZE];
 	ssize_t ret = count;
 
-	if (count < 64)
-		return -EINVAL;
-
 	if (hex2bin(key, buf, sizeof(key)))
 		return -EINVAL;
 

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[PATCH 4.13 00/52] 4.13.3-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 14/52] thunderbolt: Remove superfluous check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 16/52] thunderbolt: Allow clearing the key Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 30/52] xfs: fix recovery failure when log record header wraps log end Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 04/52] vhost_net: correctly check tx avail during rx busy polling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 20/52] x86/mm, mm/hwpoison: Clear PRESENT bit for kernel 1:1 mappings of poison pages Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 35/52] xfs: evict all inodes involved with log redo item Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 21/52] ovl: fix false positive ESTALE on lookup Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 37/52] xfs: open-code xfs_buf_item_dirty() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 11/52] ip_tunnel: fix setting ttl and tos value in collect_md mode Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 01/52] Revert "net: use lib/percpu_counter API for fragmentation mem accounting" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 12/52] f2fs: let fill_super handle roll-forward errors Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 15/52] thunderbolt: Make key root-only accessible Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 47/52] xfs: fix incorrect log_flushed on fsync Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 40/52] xfs: refactor buffer logging into buffer dirtying helper Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 52/52] md/raid5: release/flush io in raid5_do_work() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 11:20 +0200
  [PATCH 4.13 08/52] ipv6: fix typo in fib6_net_exit() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 50/52] xfs: use kmem_free to free return value of kmem_zalloc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 28/52] xfs: Add infrastructure needed for error propagation during buffer IO failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 24/52] libnvdimm, btt: check memory allocation failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 38/52] xfs: remove unnecessary dirty bli format check for ordered bufs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 46/52] xfs: disable per-inode DAX flag Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 23/52] idr: remove WARN_ON_ONCE() when trying to replace negative ID Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 31/52] xfs: always verify the log tail during recovery Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 41/52] xfs: dont log dirty ranges for ordered buffers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 43/52] xfs: move bmbt owner change to last step of extent swap Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 48/52] xfs: dont set v3 xflags for v2 inodes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 13/52] f2fs: check hot_data for roll-forward recovery Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 33/52] xfs: handle -EFSCORRUPTED during head/tail verification Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 39/52] xfs: ordered buffer log items are never formatted Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 10/52] tcp: fix a request socket leak Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 34/52] xfs: stop searching for free slots in an inode chunk when there are none Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 09/52] sctp: fix missing wake ups in some situations Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 42/52] xfs: skip bmbt block ino validation during owner change Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 51/52] md/raid1/10: reset bio allocated from mempool Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 36/52] xfs: check for race with xfs_reclaim_inode() in xfs_ifree_cluster() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 25/52] libnvdimm: fix integer overflow static analysis warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 32/52] xfs: fix log recovery corruption error due to tail overwrite Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 29/52] xfs: Properly retry failed inode items in case of error during buffer writeback Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:00 +0200
  [PATCH 4.13 03/52] gianfar: Fix Tx flow control deactivation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:10 +0200
  [PATCH 4.13 02/52] Revert "net: fix percpu memory leaks" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:10 +0200
  [PATCH 4.13 17/52] x86/fsgsbase/64: Fully initialize FS and GS state in start_thread_common Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:10 +0200
  [PATCH 4.13 06/52] udp: drop head states only when all skb references are gone Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-18 12:10 +0200
  Re: [PATCH 4.13 00/52] 4.13.3-stable review Guenter Roeck <linux@roeck-us.net> - 2017-09-18 21:30 +0200
  Re: [PATCH 4.13 00/52] 4.13.3-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-09-18 22:20 +0200
    Re: [PATCH 4.13 00/52] 4.13.3-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-09-19 08:40 +0200

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