lkml.org 
[lkml]   [2013]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 02/34] cris: fix potential NULL-pointer dereference
    Date
    Add missing check for memory allocation fail.

    Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    Cc: Mikael Starvik <starvik@axis.com>
    Cc: Jesper Nilsson <jesper.nilsson@axis.com>
    ---
    arch/cris/include/asm/pgalloc.h | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
    index 6da975db11..d9504d38c2 100644
    --- a/arch/cris/include/asm/pgalloc.h
    +++ b/arch/cris/include/asm/pgalloc.h
    @@ -32,6 +32,8 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
    {
    struct page *pte;
    pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
    + if (!pte)
    + return NULL;
    pgtable_page_ctor(pte);
    return pte;
    }
    --
    1.8.4.rc3


    \
     
     \ /
      Last update: 2013-10-10 22:41    [W:3.605 / U:0.776 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site