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| author | Arnd Bergmann <arnd@arndb.de> | 2009-06-27 14:46:35 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2009-06-27 15:16:16 +0200 |
| commit | c6067472252c1d6155c7c01c93e0d580342cdb29 (patch) | |
| tree | 985a0fdf5342bc6e73245bb4553e64e404cd9e48 /arch/score/kernel | |
| parent | bddc605955bca2d914ca621a7ef4ca6c271f55d8 (diff) | |
| download | kernel_samsung_smdk4412-c6067472252c1d6155c7c01c93e0d580342cdb29.zip kernel_samsung_smdk4412-c6067472252c1d6155c7c01c93e0d580342cdb29.tar.gz kernel_samsung_smdk4412-c6067472252c1d6155c7c01c93e0d580342cdb29.tar.bz2 | |
score: cleanups: dead code, 0 as pointer, shadowed variables
A few smaller issues found by sparse, some code that was
never used, two instances of '0' instead of 'NULL' and
local variables shadowing another one.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/score/kernel')
| -rw-r--r-- | arch/score/kernel/module.c | 12 | ||||
| -rw-r--r-- | arch/score/kernel/signal.c | 2 | ||||
| -rw-r--r-- | arch/score/kernel/sys_score.c | 14 |
3 files changed, 8 insertions, 20 deletions
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c index 1a62557..4de8d47 100644 --- a/arch/score/kernel/module.c +++ b/arch/score/kernel/module.c @@ -57,17 +57,17 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) { unsigned long loc; Elf32_Sym *sym; - s32 offset; + s32 r_offset; - offset = ELF32_R_SYM(rel->r_info); - if ((offset < 0) || - (offset > (symsec->sh_size / sizeof(Elf32_Sym)))) { + r_offset = ELF32_R_SYM(rel->r_info); + if ((r_offset < 0) || + (r_offset > (symsec->sh_size / sizeof(Elf32_Sym)))) { printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n", me->name, relindex, i); return -ENOEXEC; } - sym = ((Elf32_Sym *)symsec->sh_addr) + offset; + sym = ((Elf32_Sym *)symsec->sh_addr) + r_offset; if ((rel->r_offset < 0) || (rel->r_offset > dstsec->sh_size - sizeof(u32))) { @@ -152,7 +152,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, /* Given an address, look for it in the module exception tables. */ const struct exception_table_entry *search_module_dbetables(unsigned long addr) { - return 0; + return NULL; } /* Put in dbe list if necessary. */ diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index afbfe33..950f87c 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -212,7 +212,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= copy_siginfo_to_user(&frame->rs_info, info); err |= __put_user(0, &frame->rs_uc.uc_flags); - err |= __put_user(0, &frame->rs_uc.uc_link); + err |= __put_user(NULL, &frame->rs_uc.uc_link); err |= __put_user((void __user *)current->sas_ss_sp, &frame->rs_uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->regs[0]), diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c index 5b3cc4e..61aff8a 100644 --- a/arch/score/kernel/sys_score.c +++ b/arch/score/kernel/sys_score.c @@ -31,10 +31,7 @@ #include <linux/syscalls.h> #include <asm/syscalls.h> -unsigned long shm_align_mask = PAGE_SIZE - 1; -EXPORT_SYMBOL(shm_align_mask); - -asmlinkage unsigned +asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { @@ -107,15 +104,6 @@ score_execve(struct pt_regs *regs) } /* - * If we ever come here the user sp is bad. Zap the process right away. - * Due to the bad stack signaling wouldn't work. - */ -void bad_stack(void) -{ - do_exit(SIGSEGV); -} - -/* * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ |