From: Arnd Bergmann Date: Tue, 21 Apr 2026 20:26:20 +0000 (+0200) Subject: ntfs3: avoid -Wmaybe-uninitialized warning X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a6169cb0faac4f276df8fee7ffa14c098c05bb52;p=thirdparty%2Fkernel%2Flinux.git ntfs3: avoid -Wmaybe-uninitialized warning This warning shows up with gcc-10 now: In file included from fs/ntfs3/index.c:15: fs/ntfs3/index.c: In function 'indx_add_allocate': fs/ntfs3/ntfs_fs.h:463:9: error: 'bmp_size' may be used uninitialized in this function [-Werror=maybe-uninitialized] 463 | return attr_set_size_ex(ni, type, name, name_len, run, new_size, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 464 | new_valid, keep_prealloc, NULL, false); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/ntfs3/index.c:1498:6: note: 'bmp_size' was declared here 1498 | u64 bmp_size, bmp_size_v; | ^~~~~~~~ The warning does look correct, as the 'out2' label can be reached without initializing bmp_size and bmp_size_v. Initialize these at the same place as bmp. Signed-off-by: Arnd Bergmann Signed-off-by: Konstantin Komarov --- diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index ade276225999..d65984d9dc07 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1506,6 +1506,7 @@ static int indx_add_allocate(struct ntfs_index *indx, struct ntfs_inode *ni, if (bit != MINUS_ONE_T) { bmp = NULL; + bmp_size = bmp_size_v = 0; } else { if (bmp->non_res) { bmp_size = le64_to_cpu(bmp->nres.data_size);