Messages in this thread Patch in this message | | | From | Schspa Shi <> | Subject | [PATCH v2] vfio: Clear the caps->buf to NULL after free | Date | Tue, 28 Jun 2022 23:24:29 +0800 |
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API vfio_info_cap_add will free caps->buf, clear it to NULL after free.
Signed-off-by: Schspa Shi <schspa@gmail.com> --- drivers/vfio/vfio.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 61e71c1154be..a0fb93866f61 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -1812,6 +1812,7 @@ struct vfio_info_cap_header *vfio_info_cap_add(struct vfio_info_cap *caps, buf = krealloc(caps->buf, caps->size + size, GFP_KERNEL); if (!buf) { kfree(caps->buf); + caps->buf = NULL; caps->size = 0; return ERR_PTR(-ENOMEM); } -- 2.24.3 (Apple Git-128)
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