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The LITMUS^RT kernel.

Bjoern Brandenburg

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author	WANG Cong <xiyou.wangcong@gmail.com>	2008-05-06 00:45:35 -0400
committer	Al Viro <viro@zeniv.linux.org.uk>	2008-05-16 17:22:58 -0400
commit	5f719558edf9c84bfbb1f7ad37e84c483282d09f (patch)
tree	acbd9ec7343ad6d7933015c40b0acf378a2d2418 /scripts/checkstack.pl
parent	eceea0b3df05ed262ae32e0c6340cc7a3626632d (diff)

[Patch] fs/binfmt_elf.c: fix a wrong free

In kmalloc failing path, we shouldn't free pointers in 'info', because the struct 'info' is uninitilized when kmalloc is called. And when kmalloc returns NULL, it's needless to kfree it. Signed-off-by: WANG Cong <wangcong@zeuux.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> -- Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Diffstat (limited to 'scripts/checkstack.pl')

0 files changed, 0 insertions, 0 deletions

ved_regions(void); extern void memblock_init(void); extern void memblock_analyze(void); extern long memblock_add(phys_addr_t base, phys_addr_t size); extern long memblock_remove(phys_addr_t base, phys_addr_t size); extern long memblock_free(phys_addr_t base, phys_addr_t size); extern long memblock_reserve(phys_addr_t base, phys_addr_t size); /* The numa aware allocator is only available if * CONFIG_ARCH_POPULATES_NODE_MAP is set */ extern phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid); extern phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid); extern phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align); /* Flags for memblock_alloc_base() amd __memblock_alloc_base() */ #define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0) #define MEMBLOCK_ALLOC_ACCESSIBLE 0 extern phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr); extern phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr); extern phys_addr_t memblock_phys_mem_size(void); extern phys_addr_t memblock_end_of_DRAM(void); extern void memblock_enforce_memory_limit(phys_addr_t memory_limit); extern int memblock_is_memory(phys_addr_t addr); extern int memblock_is_region_memory(phys_addr_t base, phys_addr_t size); extern int memblock_is_reserved(phys_addr_t addr); extern int memblock_is_region_reserved(phys_addr_t base, phys_addr_t size); extern void memblock_dump_all(void); /* Provided by the architecture */ extern phys_addr_t memblock_nid_range(phys_addr_t start, phys_addr_t end, int *nid); extern int memblock_memory_can_coalesce(phys_addr_t addr1, phys_addr_t size1, phys_addr_t addr2, phys_addr_t size2); /** * memblock_set_current_limit - Set the current allocation limit to allow * limiting allocations to what is currently * accessible during boot * @limit: New limit value (physical address) */ extern void memblock_set_current_limit(phys_addr_t limit); /* * pfn conversion functions * * While the memory MEMBLOCKs should always be page aligned, the reserved * MEMBLOCKs may not be. This accessor attempt to provide a very clear * idea of what they return for such non aligned MEMBLOCKs. */ /** * memblock_region_memory_base_pfn - Return the lowest pfn intersecting with the memory region * @reg: memblock_region structure */ static inline unsigned long memblock_region_memory_base_pfn(const struct memblock_region *reg) { return PFN_UP(reg->base); } /** * memblock_region_memory_end_pfn - Return the end_pfn this region * @reg: memblock_region structure */ static inline unsigned long memblock_region_memory_end_pfn(const struct memblock_region *reg) { return PFN_DOWN(reg->base + reg->size); } /** * memblock_region_reserved_base_pfn - Return the lowest pfn intersecting with the reserved region * @reg: memblock_region structure */ static inline unsigned long memblock_region_reserved_base_pfn(const struct memblock_region *reg) { return PFN_DOWN(reg->base); } /** * memblock_region_reserved_end_pfn - Return the end_pfn this region * @reg: memblock_region structure */ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblock_region *reg) { return PFN_UP(reg->base + reg->size); } #define for_each_memblock(memblock_type, region) \ for (region = memblock.memblock_type.regions; \ region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \ region++) #ifdef ARCH_DISCARD_MEMBLOCK #define __init_memblock __init #define __initdata_memblock __initdata #else #define __init_memblock #define __initdata_memblock #endif #else static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align) { return MEMBLOCK_ERROR; } #endif /* CONFIG_HAVE_MEMBLOCK */ #endif /* __KERNEL__ */ #endif /* _LINUX_MEMBLOCK_H */


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