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linux-yocto/4.12: fix aufs compile warning

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From: "Kexin(Casey) Chen" <Casey.Chen@windriver.com>

   Forward port linux-yocto-4.8's patch to fix the build warning.

       http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-4.8/commit/?h=standard/base&id=7e0dd2f2b0971f0e3191e1ddc088e09eb9855567

   fs/aufs/debug.h:95:19: warning: comparison of constant '0'
   with boolean expression is always false [-Wbool-compare]
      if (unlikely((e) < 0)) \
                    ^

   fs/aufs/vdir.c:852:2: note: in expansion of macro 'AuTraceErr'
      AuTraceErr(!valid);
      ^~~~~~~~~~

   In expansion of AuTraceErr(!valid), comparison of (!valid)
   and constant '0' always passes unlikely(x) false. function
   'static int seek_vdir(struct file *file, struct dir_context *ctx)'
   is to find whether there is a valid vd_deblk following ctx->pos.
   return 1 means valid, 0 for not. Change to AuTraceErr(valid - 1)
   makes more sense.

   Signed-off-by: Kexin(Casey) Chen <Casey.Chen@windriver.com>
   Signed-off-by: Dengke Du <dengke.du@windriver.com>

(From OE-Core rev: 1ba624ec410b13da9645efe7bc72908195c08259)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2018-03-06 13:11:13 -05:00
committed by Richard Purdie
parent b4992cf036
commit 266b2d16fc
3 changed files with 13 additions and 13 deletions
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meta/recipes-kernel/linux/linux-yocto-tiny_4.12.bb
+2 -2
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@@ -9,8 +9,8 @@ LINUX_VERSION ?= "4.12.20"
KMETA = "kernel-meta"
KCONF_BSP_AUDIT_LEVEL = "2"
SRCREV_machine ?= "22f73c1fe99198a7b37aa5c76978fe19d301fd88"
SRCREV_meta ?= "19d815d5a34bfaad95d87cc097cef18b594daac8"
SRCREV_machine ?= "392959d6dad698bfb62de561164c2d19e17841dd"
SRCREV_meta ?= "ca1bda8dfd3325db04dda19a531edeb66ac0d84b"
PV = "${LINUX_VERSION}+git${SRCPV}"