summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/nand/gpmi-nand
diff options
context:
space:
mode:
authorHan Xu <han.xu@nxp.com>2016-04-04 15:41:29 -0500
committerBoris Brezillon <boris.brezillon@free-electrons.com>2016-04-19 22:04:52 +0200
commit2cd395d13a104cd96ddae5c5612871dc18553cca (patch)
tree05227121a6e9d98b7ea9a320ada0761c03fb4ffb /drivers/mtd/nand/gpmi-nand
parent269ecf03a5b32b0d1de1f60a4b86b75c0521053f (diff)
downloadblackbird-op-linux-2cd395d13a104cd96ddae5c5612871dc18553cca.tar.gz
blackbird-op-linux-2cd395d13a104cd96ddae5c5612871dc18553cca.zip
mtd: gpmi: fix raw_buffer pointer double free issue
fix the raw_buffer pointer double free issue found by coverify. CID 18344 (#2 of 2): Double free (USE_AFTER_FREE) 3. double_free: Calling gpmi_alloc_dma_buffer frees pointer this->raw_buffer which has already been freed Signed-off-by: Han Xu <han.xu@nxp.com> Reviewed-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand/gpmi-nand')
-rw-r--r--drivers/mtd/nand/gpmi-nand/gpmi-nand.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 8122c699ccf2..dcb60b0fe5eb 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -797,6 +797,7 @@ static void gpmi_free_dma_buffer(struct gpmi_nand_data *this)
this->cmd_buffer = NULL;
this->data_buffer_dma = NULL;
+ this->raw_buffer = NULL;
this->page_buffer_virt = NULL;
this->page_buffer_size = 0;
}
OpenPOWER on IntegriCloud