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authorEric W. Biederman <ebiederm@xmission.com>2014-01-21 22:28:15 +0400
committerEric W. Biederman <ebiederm@xmission.com>2014-01-23 03:20:46 +0400
commitf58437f1f9161847c636e4fed5569ed5b908af36 (patch)
tree2bdfb9892f961534dd52b1ecf88632166d321290 /init
parent261000a56b6382f597bcb12000f55c9ff26a1efb (diff)
downloadlinux-f58437f1f9161847c636e4fed5569ed5b908af36.tar.xz
MIPS: VPE: Remove vpe_getuid and vpe_getgid
The linux build-bot recently reported a build error in arch/mips/kernel/vpe.c tree: git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git for-linus head: 261000a56b6382f597bcb12000f55c9ff26a1efb commit: 261000a56b6382f597bcb12000f55c9ff26a1efb [4/4] userns: userns: Remove UIDGID_STRICT_TYPE_CHECKS config: make ARCH=mips maltaaprp_defconfig All error/warnings: arch/mips/kernel/vpe.c: In function 'vpe_open': >> arch/mips/kernel/vpe.c:1086:9: error: incompatible types when assigning to type 'unsigned int' from type 'kuid_t' >> arch/mips/kernel/vpe.c:1087:9: error: incompatible types when assigning to type 'unsigned int' from type 'kgid_t' vim +1086 arch/mips/kernel/vpe.c 863abad4 Jesper Juhl 2010-10-30 1080 return -ENOMEM; 863abad4 Jesper Juhl 2010-10-30 1081 } e01402b1 Ralf Baechle 2005-07-14 1082 v->plen = P_SIZE; e01402b1 Ralf Baechle 2005-07-14 1083 v->load_addr = NULL; e01402b1 Ralf Baechle 2005-07-14 1084 v->len = 0; e01402b1 Ralf Baechle 2005-07-14 1085 d76b0d9b David Howells 2008-11-14 @1086 v->uid = filp->f_cred->fsuid; d76b0d9b David Howells 2008-11-14 @1087 v->gid = filp->f_cred->fsgid; 2600990e Ralf Baechle 2006-04-05 1088 2600990e Ralf Baechle 2006-04-05 1089 v->cwd[0] = 0; 2600990e Ralf Baechle 2006-04-05 1090 ret = getcwd(v->cwd, VPE_PATH_MAX); When examining the code to see what v->uid and v->gid were used for I discovered that the only users in the kernel are vpe_getuid and vpe_getgid, and that vpe_getuid and vpe_getgid are never called. So instead of proposing a conversion to use kuid_t and kgid_t instead of unsigned int/int as I normally would let's just kill this dead code so no one has to worry about it further. Deng-Cheng Zhu said: This is a good catch. vpe_get[u|g]id was originally used by KSPD which has been removed. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Reviewed-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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