Use calloc instead of malloc/memset-0

This patch has been generated by the following Coccinelle semantic
patch:

@@
expression E;
identifier I;
@@
- I = malloc(E);
+ I = calloc(1, E);
...
- memset(I, 0, sizeof *I);

Reviewed-by: Brian Paul <[email protected]>

1 files changed, 3 insertions, 6 deletions

diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
index b68e62272c7..920a9ab7b99 100644
--- a/src/glx/drisw_glx.c
+++ b/src/glx/drisw_glx.c
@@ -392,11 +392,10 @@ drisw_create_context(struct glx_screen *base,
       shared = pcp_shared->driContext;
    }
 
-   pcp = malloc(sizeof *pcp);
+   pcp = calloc(1, sizeof *pcp);
    if (pcp == NULL)
       return NULL;
 
-   memset(pcp, 0, sizeof *pcp);
    if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
       free(pcp);
       return NULL;
@@ -457,11 +456,10 @@ drisw_create_context_attribs(struct glx_screen *base,
       shared = pcp_shared->driContext;
    }
 
-   pcp = malloc(sizeof *pcp);
+   pcp = calloc(1, sizeof *pcp);
    if (pcp == NULL)
       return NULL;
 
-   memset(pcp, 0, sizeof *pcp);
    if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
       free(pcp);
       return NULL;
@@ -522,11 +520,10 @@ driswCreateDrawable(struct glx_screen *base, XID xDrawable,
    Bool ret;
    const __DRIswrastExtension *swrast = psc->swrast;
 
-   pdp = malloc(sizeof(*pdp));
+   pdp = calloc(1, sizeof(*pdp));
    if (!pdp)
       return NULL;
 
-   memset(pdp, 0, sizeof *pdp);
    pdp->base.xDrawable = xDrawable;
    pdp->base.drawable = drawable;
    pdp->base.psc = &psc->base;