git: 75180cf2ec09 - stable/15 - ufshci: initialize alloc_units before the dedicated-buffer scan

The branch stable/15 has been updated by jaeyoon:

URL: https://cgit.FreeBSD.org/src/commit/?id=75180cf2ec09248c501ccfd9923dd1e2e5726b65

commit 75180cf2ec09248c501ccfd9923dd1e2e5726b65
Author:     Jaeyoon Choi <jaeyoon@FreeBSD.org>
AuthorDate: 2026-08-10 01:45:49 +0000
Commit:     Jaeyoon Choi <jaeyoon@FreeBSD.org>
CommitDate: 2026-10-06 06:27:58 +0000

    ufshci: initialize alloc_units before the dedicated-buffer scan
    
    If every unit descriptor read failed in the LU-dedicated WriteBooster
    scan, alloc_units was used uninitialized. Start it at zero so that case
    is treated as a zero-sized buffer and WriteBooster is disabled.
    
    Sponsored by:           Samsung Electronics
    Reviewed by:            imp (mentor)
    Differential Revision:  https://reviews.freebsd.org/D58663
    
    (cherry picked from commit 456ab423dddc0ce07787b21fcb79426abc7b436e)
---
 sys/dev/ufshci/ufshci_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/ufshci/ufshci_dev.c b/sys/dev/ufshci/ufshci_dev.c
index 7113834db13a..db7a8c564a29 100644
--- a/sys/dev/ufshci/ufshci_dev.c
+++ b/sys/dev/ufshci/ufshci_dev.c
@@ -745,7 +745,7 @@ ufshci_dev_config_write_booster(struct ufshci_controller *ctrlr)
 {
 	struct ufshci_device *dev = &ctrlr->ufs_dev;
 	uint32_t extended_ufs_feature_support;
-	uint32_t alloc_units;
+	uint32_t alloc_units = 0;
 	struct ufshci_unit_descriptor unit_desc;
 	uint8_t lun;
 	bool is_life_time_left;