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Code Issues Releases Activity

bhyve: return ENOMEM instead of EFAULT and call free() after being used

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1. In basl_load() function, when allocation fails,
it returns an EFAULT instead of ENOMEM. An EFAULT
can mislead in some scenarios, whereas an ENOMEM
for an allocation function makes much more sense.

2. Call free() on addr, as it's not being used
anymore after the basl_table_append_bytes()
function.

Signed-off-by: rilysh <nightquick@proton.me>

MFC after:	1 week
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1016
This commit is contained in:
rilysh 2024-01-08 11:36:55 +05:30 committed by Mark Johnston
parent 9b20849bc5
commit e2e956828c
1 changed files with 2 additions and 1 deletions
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3
usr.sbin/bhyve/acpi.c
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@ -326,7 +326,7 @@ basl_load(struct vmctx *ctx, int fd)
addr = calloc(1, sb.st_size);
if (addr == NULL)
return (EFAULT);
return (ENOMEM);
if (read(fd, addr, sb.st_size) < 0)
return (errno);
@ -338,6 +338,7 @@ basl_load(struct vmctx *ctx, int fd)
BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT));
BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size));
free(addr);
return (0);
}