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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /fs/hpfs/dentry.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'fs/hpfs/dentry.c')
-rw-r--r--fs/hpfs/dentry.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
new file mode 100644
index 000000000..89a36fdc6
--- /dev/null
+++ b/fs/hpfs/dentry.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/fs/hpfs/dentry.c
+ *
+ * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
+ *
+ * dcache operations
+ */
+
+#include "hpfs_fn.h"
+
+/*
+ * Note: the dentry argument is the parent dentry.
+ */
+
+static int hpfs_hash_dentry(const struct dentry *dentry, struct qstr *qstr)
+{
+ unsigned long hash;
+ int i;
+ unsigned l = qstr->len;
+
+ if (l == 1) if (qstr->name[0]=='.') goto x;
+ if (l == 2) if (qstr->name[0]=='.' || qstr->name[1]=='.') goto x;
+ hpfs_adjust_length(qstr->name, &l);
+ /*if (hpfs_chk_name(qstr->name,&l))*/
+ /*return -ENAMETOOLONG;*/
+ /*return -ENOENT;*/
+ x:
+
+ hash = init_name_hash(dentry);
+ for (i = 0; i < l; i++)
+ hash = partial_name_hash(hpfs_upcase(hpfs_sb(dentry->d_sb)->sb_cp_table,qstr->name[i]), hash);
+ qstr->hash = end_name_hash(hash);
+
+ return 0;
+}
+
+static int hpfs_compare_dentry(const struct dentry *dentry,
+ unsigned int len, const char *str, const struct qstr *name)
+{
+ unsigned al = len;
+ unsigned bl = name->len;
+
+ hpfs_adjust_length(str, &al);
+ /*hpfs_adjust_length(b->name, &bl);*/
+
+ /*
+ * 'str' is the nane of an already existing dentry, so the name
+ * must be valid. 'name' must be validated first.
+ */
+
+ if (hpfs_chk_name(name->name, &bl))
+ return 1;
+ if (hpfs_compare_names(dentry->d_sb, str, al, name->name, bl, 0))
+ return 1;
+ return 0;
+}
+
+const struct dentry_operations hpfs_dentry_operations = {
+ .d_hash = hpfs_hash_dentry,
+ .d_compare = hpfs_compare_dentry,
+};