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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-05-24 14:23:41 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-24 14:23:41 -0700 |
| commit | b300c134465465385045ab705b68a42699688332 (patch) | |
| tree | c2038c29c1acfe5a9ed9cf3143db917419142ac3 /util | |
| parent | 8acf865084a194b744c685686837caa5d5861628 (diff) | |
| parent | dbdea0dbfe2cef9ef6c752e9077e4fc98724194c (diff) | |
Merge tag 'pull-vfio-20230524' of https://github.com/legoater/qemu into staging
vfio queue:
* Fix for a memory corruption due to an extra free
* Fix for a compile breakage
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# gpg: Signature made Wed 24 May 2023 01:17:34 AM PDT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-vfio-20230524' of https://github.com/legoater/qemu:
util/vfio-helpers: Use g_file_read_link()
vfio/pci: Fix a use-after-free issue
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/vfio-helpers.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 2d8af38f88..f8bab46c68 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -106,15 +106,17 @@ struct QEMUVFIOState { */ static char *sysfs_find_group_file(const char *device, Error **errp) { + g_autoptr(GError) gerr = NULL; char *sysfs_link; char *sysfs_group; char *p; char *path = NULL; sysfs_link = g_strdup_printf("/sys/bus/pci/devices/%s/iommu_group", device); - sysfs_group = g_malloc0(PATH_MAX); - if (readlink(sysfs_link, sysfs_group, PATH_MAX - 1) == -1) { - error_setg_errno(errp, errno, "Failed to find iommu group sysfs path"); + sysfs_group = g_file_read_link(sysfs_link, &gerr); + if (gerr) { + error_setg(errp, "Failed to find iommu group sysfs path: %s", + gerr->message); goto out; } p = strrchr(sysfs_group, '/'); |