Commit 2e006393 authored by Evgeniy Dushistov's avatar Evgeniy Dushistov Committed by Linus Torvalds

[PATCH] ufs: unlock_super without lock

ufs_free_blocks function looks now in so way:
if (err)
 goto failed;
 lock_super();
failed:
 unlock_super();

So if error happen we'll unlock not locked super.
Signed-off-by: default avatarEvgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 50aa4eb0
...@@ -156,7 +156,7 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count) ...@@ -156,7 +156,7 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
bit = ufs_dtogd (fragment); bit = ufs_dtogd (fragment);
if (cgno >= uspi->s_ncg) { if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_free_blocks", "freeing blocks are outside device"); ufs_panic (sb, "ufs_free_blocks", "freeing blocks are outside device");
goto failed; goto failed_unlock;
} }
end_bit = bit + count; end_bit = bit + count;
if (end_bit > uspi->s_fpg) { if (end_bit > uspi->s_fpg) {
...@@ -167,11 +167,11 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count) ...@@ -167,11 +167,11 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
ucpi = ufs_load_cylinder (sb, cgno); ucpi = ufs_load_cylinder (sb, cgno);
if (!ucpi) if (!ucpi)
goto failed; goto failed_unlock;
ucg = ubh_get_ucg (UCPI_UBH(ucpi)); ucg = ubh_get_ucg (UCPI_UBH(ucpi));
if (!ufs_cg_chkmagic(sb, ucg)) { if (!ufs_cg_chkmagic(sb, ucg)) {
ufs_panic (sb, "ufs_free_blocks", "internal error, bad magic number on cg %u", cgno); ufs_panic (sb, "ufs_free_blocks", "internal error, bad magic number on cg %u", cgno);
goto failed; goto failed_unlock;
} }
for (i = bit; i < end_bit; i += uspi->s_fpb) { for (i = bit; i < end_bit; i += uspi->s_fpb) {
...@@ -210,8 +210,9 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count) ...@@ -210,8 +210,9 @@ void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count)
UFSD("EXIT\n"); UFSD("EXIT\n");
return; return;
failed: failed_unlock:
unlock_super (sb); unlock_super (sb);
failed:
UFSD("EXIT (FAILED)\n"); UFSD("EXIT (FAILED)\n");
return; return;
} }
......
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