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stand: Try to parse vdisk correctly

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PR:			289306
Sponsored by:		Netflix
Reviewed by:		dab
MFC After:		5 days
Differential Revision:	https://reviews.freebsd.org/D52500
This commit is contained in:
Warner Losh 2025-11-10 17:41:52 -07:00
parent 3deb21f1af
commit d18ed8e19c
1 changed files with 12 additions and 1 deletions
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13
stand/common/disk.c
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@ -417,7 +417,18 @@ disk_parsedev(struct devdesc **idev, const char *devspec, const char **path)
char *cp;
struct disk_devdesc *dev;
np = devspec + 4; /* Skip the leading 'disk' */
/*
* disk names look approximately like:
* v?disk([0-9]+(p[0-9]+|s[a-z])?)?:
* so skip over the initial bit. We don't have access to the devsw
* to check the name.
*/
if (strncmp(devspec, "disk", 4) == 0)
np = devspec + 4;
else if (strncmp(devspec, "vdisk", 5) == 0)
np = devspec + 5;
else
return (EINVAL);
unit = -1;
/*
* If there is path/file info after the device info, then any missing