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Date:      Mon, 1 Sep 2025 22:01:08 GMT
From:      Warner Losh <imp@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: dfafdbdfc3e9 - main - stand: Use calloc instead of malloc for initialization of filesystem devsw
Message-ID:  <202509012201.581M18tv010659@gitrepo.freebsd.org>

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The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=dfafdbdfc3e9db8b878283bcbef35f5d8d37dae8

commit dfafdbdfc3e9db8b878283bcbef35f5d8d37dae8
Author:     null <null>
AuthorDate: 2025-09-01 21:57:06 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2025-09-01 21:57:14 +0000

    stand: Use calloc instead of malloc for initialization of filesystem devsw
    
    This change is required for https://reviews.freebsd.org/D49355, so that
    we can check if d_dev is uninitialized by checking if it's NULL.
    
    Reviewed by:            imp
    Differential Revision:  https://reviews.freebsd.org/D49705
---
 stand/common/disk.c          | 2 +-
 stand/kboot/kboot/hostdisk.c | 2 +-
 stand/libofw/devicename.c    | 2 +-
 stand/libsa/dev.c            | 2 +-
 stand/libsa/zfs/zfs.c        | 2 +-
 stand/uboot/devicename.c     | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/stand/common/disk.c b/stand/common/disk.c
index c1650f0fa1ec..1baf91efaa49 100644
--- a/stand/common/disk.c
+++ b/stand/common/disk.c
@@ -468,7 +468,7 @@ disk_parsedev(struct devdesc **idev, const char *devspec, const char **path)
 
 	if (*cp != '\0' && *cp != ':')
 		return (EINVAL);
-	dev = malloc(sizeof(*dev));
+	dev = calloc(sizeof(*dev), 1);
 	if (dev == NULL)
 		return (ENOMEM);
 	dev->dd.d_unit = unit;
diff --git a/stand/kboot/kboot/hostdisk.c b/stand/kboot/kboot/hostdisk.c
index a9117d4c1c9d..fc98bf534519 100644
--- a/stand/kboot/kboot/hostdisk.c
+++ b/stand/kboot/kboot/hostdisk.c
@@ -465,7 +465,7 @@ hostdisk_parsedev(struct devdesc **idev, const char *devspec, const char **path)
 		return (EINVAL);
 	}
 	free(fn);
-	dev = malloc(sizeof(*dev));
+	dev = calloc(sizeof(*dev), 1);
 	if (dev == NULL)
 		return (ENOMEM);
 	dev->d_unit = 0;
diff --git a/stand/libofw/devicename.c b/stand/libofw/devicename.c
index f6419632c6bc..46a9717fdda5 100644
--- a/stand/libofw/devicename.c
+++ b/stand/libofw/devicename.c
@@ -98,7 +98,7 @@ ofw_common_parsedev(struct devdesc **dev, const char *devspec, const char **path
 
 	if (ofw_path_to_handle(devspec, ofwtype, &rem_path) == -1)
 		return (ENOENT);
-	idev = malloc(sizeof(struct ofw_devdesc));
+	idev = calloc(sizeof(struct ofw_devdesc), 1);
 	if (idev == NULL) {
 		printf("ofw_parsedev: malloc failed\n");
 		return (ENOMEM);
diff --git a/stand/libsa/dev.c b/stand/libsa/dev.c
index 1edc843d508c..4f6932e96c48 100644
--- a/stand/libsa/dev.c
+++ b/stand/libsa/dev.c
@@ -72,7 +72,7 @@ default_parsedev(struct devdesc **dev, const char *devspec,
 	int unit, err;
 	char *cp;
 
-	idev = malloc(sizeof(struct devdesc));
+	idev = calloc(sizeof(struct devdesc), 1);
 	if (idev == NULL)
 		return (ENOMEM);
 
diff --git a/stand/libsa/zfs/zfs.c b/stand/libsa/zfs/zfs.c
index 70a102f6425d..2f7c1caaa4b5 100644
--- a/stand/libsa/zfs/zfs.c
+++ b/stand/libsa/zfs/zfs.c
@@ -1643,7 +1643,7 @@ zfs_parsedev(struct devdesc **idev, const char *devspec, const char **path)
 	spa = spa_find_by_name(poolname);
 	if (!spa)
 		return (ENXIO);
-	dev = malloc(sizeof(*dev));
+	dev = calloc(sizeof(*dev), 1);
 	if (dev == NULL)
 		return (ENOMEM);
 	dev->pool_guid = spa->spa_guid;
diff --git a/stand/uboot/devicename.c b/stand/uboot/devicename.c
index 4ee9c7fd72c4..23670d7593a2 100644
--- a/stand/uboot/devicename.c
+++ b/stand/uboot/devicename.c
@@ -102,7 +102,7 @@ uboot_parsedev(struct uboot_devdesc **dev, const char *devspec,
 	}
 	if (dv == NULL)
 		return(ENOENT);
-	idev = malloc(sizeof(struct uboot_devdesc));
+	idev = calloc(sizeof(struct uboot_devdesc), 1);
 	err = 0;
 	np = (devspec + strlen(dv->dv_name));
 



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