diff options
| -rw-r--r-- | target/linux/generic/patches-3.7/067-mips_mt_fix_uidgid_strict_type_check.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.7/067-mips_mt_fix_uidgid_strict_type_check.patch b/target/linux/generic/patches-3.7/067-mips_mt_fix_uidgid_strict_type_check.patch new file mode 100644 index 000000000..367c848b9 --- /dev/null +++ b/target/linux/generic/patches-3.7/067-mips_mt_fix_uidgid_strict_type_check.patch @@ -0,0 +1,46 @@ +From 0714f2ec1e950d7b825093d05ae8eacf1d66ce58 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <florian@openwrt.org> +Date: Mon, 10 Dec 2012 15:52:07 +0100 +Subject: [PATCH 3.7-rc8] MIPS: MT: fix build with CONFIG_UIDGID_STRICT_TYPE_CHECKS=y + +When CONFIG_UIDGID_STRICT_TYPE_CHECKS is enabled, plain integer checking +between different uids/gids is explicitely turned into a build failure +by making the k{uid,gid}_t types a structure containing a value: + +arch/mips/kernel/mips-mt-fpaff.c: In function 'check_same_owner': +arch/mips/kernel/mips-mt-fpaff.c:53:22: error: invalid operands to +binary == (have 'kuid_t' and 'kuid_t') +arch/mips/kernel/mips-mt-fpaff.c:54:15: error: invalid operands to +binary == (have 'kuid_t' and 'kuid_t') + +This problem got introduced with commit 17c04139 (MIPS: MT: Fix FPU affinity.) + +In order to ensure proper comparison between uids, using the helper +function uid_eq() which performs the right thing whenever this config +option is turned on or off. + +Signed-off-by: Florian Fainelli <florian@openwrt.org> +--- +Ralf, I think you might want to sneak this into 3.7-rc8 if possible at all. + + arch/mips/kernel/mips-mt-fpaff.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c +index 33f63ba..fd814e0 100644 +--- a/arch/mips/kernel/mips-mt-fpaff.c ++++ b/arch/mips/kernel/mips-mt-fpaff.c +@@ -50,8 +50,8 @@ static bool check_same_owner(struct task_struct *p) + + rcu_read_lock(); + pcred = __task_cred(p); +- match = (cred->euid == pcred->euid || +- cred->euid == pcred->uid); ++ match = (uid_eq(cred->euid, pcred->euid) || ++ uid_eq(cred->euid, pcred->uid)); + rcu_read_unlock(); + return match; + } +-- +1.7.10.4 + |