diff --git a/[refs] b/[refs] index a90585d578ae..954121948134 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: e9f86e351fda5b3c40192fc3990453613f160779 +refs/heads/master: f2f30ebca6c0c95e987cb9a1fd1495770a75432e diff --git a/trunk/arch/i386/kernel/ldt.c b/trunk/arch/i386/kernel/ldt.c index bb50afbee921..fe1ffa55587d 100644 --- a/trunk/arch/i386/kernel/ldt.c +++ b/trunk/arch/i386/kernel/ldt.c @@ -177,7 +177,7 @@ static int read_default_ldt(void __user * ptr, unsigned long bytecount) static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode) { struct mm_struct * mm = current->mm; - __u32 entry_1, entry_2, *lp; + __u32 entry_1, entry_2; int error; struct user_desc ldt_info; @@ -205,8 +205,6 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode) goto out_unlock; } - lp = (__u32 *) ((ldt_info.entry_number << 3) + (char *) mm->context.ldt); - /* Allow LDTs to be cleared by the user. */ if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { if (oldmode || LDT_empty(&ldt_info)) { @@ -223,8 +221,7 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode) /* Install the new entry ... */ install: - *lp = entry_1; - *(lp+1) = entry_2; + write_ldt_entry(mm->context.ldt, ldt_info.entry_number, entry_1, entry_2); error = 0; out_unlock: diff --git a/trunk/include/asm-i386/desc.h b/trunk/include/asm-i386/desc.h index ccb11c032839..6df1a53c190e 100644 --- a/trunk/include/asm-i386/desc.h +++ b/trunk/include/asm-i386/desc.h @@ -96,6 +96,13 @@ static inline void set_ldt_desc(unsigned int cpu, void *addr, unsigned int size) (info)->seg_not_present == 1 && \ (info)->useable == 0 ) +static inline void write_ldt_entry(void *ldt, int entry, __u32 entry_a, __u32 entry_b) +{ + __u32 *lp = (__u32 *)((char *)ldt + entry*8); + *lp = entry_a; + *(lp+1) = entry_b; +} + #if TLS_SIZE != 24 # error update this code. #endif